From 60cb68989dc3968a0a29eb71f00c16645b5f63f3 Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Fri, 4 Jun 2021 15:31:25 +0200
Subject: [PATCH] Remove obsolete update instructions for 5.3 to 5.4 (#4260)

---
 com.woltlab.wcf/files_pre.tar                 | Bin 40960 -> 0 bytes
 com.woltlab.wcf/files_pre_check.tar           | Bin 10240 -> 0 bytes
 com.woltlab.wcf/mediaProvider.xml             |   8 -
 com.woltlab.wcf/option.xml                    |  11 -
 com.woltlab.wcf/option_5.4.xml                |  11 -
 .../database/update_com.woltlab.wcf_5.4.php   | 294 ------------------
 ...woltlab.wcf_5.4_session_2_user_session.php |  56 ----
 ...woltlab.wcf_5.4_session_4_drop_virtual.php |  19 --
 ...com.woltlab.wcf_5.4_session_5_drop_acp.php |  17 -
 ...oltlab.wcf_5.4_session_6_clean_session.php |  26 --
 ...ltlab.wcf_5.4_wcf1_tag_to_object_step1.php |  49 ---
 ...ltlab.wcf_5.4_wcf1_tag_to_object_step2.php |  22 --
 ...ltlab.wcf_5.4_wcf1_tag_to_object_step3.php |  39 ---
 ...ltlab.wcf_5.4_wcf1_tag_to_object_step4.php |  23 --
 ...te_com.woltlab.wcf_5.4_checkOwnerGroup.php |  23 --
 ...oltlab.wcf_5.4_checkSystemRequirements.php |  48 ---
 ...om.woltlab.wcf_5.4_deleteLanguageItems.php |  18 --
 ...om.woltlab.wcf_5.4_migrate_multifactor.php | 165 ----------
 ...om.woltlab.wcf_5.4_migrate_rank_images.php |  44 ---
 ...update_com.woltlab.wcf_5.4_removeFiles.php |  67 ----
 ..._com.woltlab.wcf_5.4_session_1_cookies.php | 147 ---------
 ...tlab.wcf_5.4_session_3_migrate_session.php |  54 ----
 ...te_com.woltlab.wcf_5.4_styleCoverPhoto.php |  33 --
 ...com.woltlab.wcf_5.4_update_google_font.php |  24 --
 24 files changed, 1198 deletions(-)
 delete mode 100644 com.woltlab.wcf/files_pre.tar
 delete mode 100644 com.woltlab.wcf/files_pre_check.tar
 delete mode 100644 com.woltlab.wcf/option_5.4.xml
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4.php
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_2_user_session.php
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_4_drop_virtual.php
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_5_drop_acp.php
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_6_clean_session.php
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step1.php
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step2.php
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step3.php
 delete mode 100644 wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step4.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_checkOwnerGroup.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_checkSystemRequirements.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_deleteLanguageItems.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_migrate_multifactor.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_migrate_rank_images.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_removeFiles.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_session_1_cookies.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_session_3_migrate_session.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_styleCoverPhoto.php
 delete mode 100644 wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_update_google_font.php

diff --git a/com.woltlab.wcf/files_pre.tar b/com.woltlab.wcf/files_pre.tar
deleted file mode 100644
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diff --git a/com.woltlab.wcf/files_pre_check.tar b/com.woltlab.wcf/files_pre_check.tar
deleted file mode 100644
index af4ee6047ced7eb20580649bd4edddeec98b5d1d..0000000000000000000000000000000000000000
GIT binary patch
literal 0
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diff --git a/com.woltlab.wcf/mediaProvider.xml b/com.woltlab.wcf/mediaProvider.xml
index 74ee028ed5..6688bc0b20 100644
--- a/com.woltlab.wcf/mediaProvider.xml
+++ b/com.woltlab.wcf/mediaProvider.xml
@@ -78,12 +78,4 @@ https?://www.twitch.tv/[a-zA-Z0-9]+/v/(?<VIDEO>[0-9]+)]]></regex>
 <script>require(['WoltLabSuite/Core/Wrapper/FacebookSdk'],function(FB){FB.XFBML.parse()})</script>]]></html>
 		</provider>
 	</import>
-	
-	<delete>
-		<provider name="imgur" />
-		<provider name="twitch-channel" />
-		<provider name="twitch-clip" />
-		<provider name="twitch-video" />
-		<provider name="veoh" />
-	</delete>
 </data>
diff --git a/com.woltlab.wcf/option.xml b/com.woltlab.wcf/option.xml
index 6af1a00d78..2813b7854e 100644
--- a/com.woltlab.wcf/option.xml
+++ b/com.woltlab.wcf/option.xml
@@ -1704,15 +1704,4 @@ DESC:wcf.global.sortOrder.descending</selectoptions>
 			</option>
 		</options>
 	</import>
-	<delete>
-		<option name="http_enable_gzip"/>
-		<option name="meta_keywords"/>
-		<option name="register_admin_notification"/>
-		<option name="session_timeout"/>
-		<option name="session_validate_ip_address"/>
-		<option name="session_validate_user_agent"/>
-		<option name="session_enable_virtualization"/>
-		<option name="blacklist_hostnames"/>
-		<option name="module_user_cover_photo"/>
-	</delete>
 </data>
diff --git a/com.woltlab.wcf/option_5.4.xml b/com.woltlab.wcf/option_5.4.xml
deleted file mode 100644
index 1db06c0fe8..0000000000
--- a/com.woltlab.wcf/option_5.4.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<data xmlns="http://www.woltlab.com" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.woltlab.com http://www.woltlab.com/XSD/2019/option.xsd">
-	<import>
-		<options>
-			<option name="internal_hostnames">
-				<categoryname>general.page</categoryname>
-				<optiontype>textarea</optiontype>
-			</option>
-		</options>
-	</import>
-</data>
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4.php
deleted file mode 100644
index 853fcb9648..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4.php
+++ /dev/null
@@ -1,294 +0,0 @@
-<?php
-
-/**
- * Makes non-critical database adjustments (i.e. everything that is not related
- * to sessions).
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\column\BigintDatabaseTableColumn;
-use wcf\system\database\table\column\BinaryDatabaseTableColumn;
-use wcf\system\database\table\column\DefaultFalseBooleanDatabaseTableColumn;
-use wcf\system\database\table\column\EnumDatabaseTableColumn;
-use wcf\system\database\table\column\IntDatabaseTableColumn;
-use wcf\system\database\table\column\MediumtextDatabaseTableColumn;
-use wcf\system\database\table\column\NotNullInt10DatabaseTableColumn;
-use wcf\system\database\table\column\NotNullVarchar191DatabaseTableColumn;
-use wcf\system\database\table\column\NotNullVarchar255DatabaseTableColumn;
-use wcf\system\database\table\column\ObjectIdDatabaseTableColumn;
-use wcf\system\database\table\column\TextDatabaseTableColumn;
-use wcf\system\database\table\column\TinyintDatabaseTableColumn;
-use wcf\system\database\table\column\VarbinaryDatabaseTableColumn;
-use wcf\system\database\table\column\VarcharDatabaseTableColumn;
-use wcf\system\database\table\DatabaseTable;
-use wcf\system\database\table\index\DatabaseTableForeignKey;
-use wcf\system\database\table\index\DatabaseTableIndex;
-use wcf\system\database\table\index\DatabaseTablePrimaryIndex;
-use wcf\system\database\table\PartialDatabaseTable;
-
-return [
-    DatabaseTable::create('wcf1_email_log_entry')
-        ->columns([
-            ObjectIdDatabaseTableColumn::create('entryID'),
-            NotNullInt10DatabaseTableColumn::create('time'),
-            NotNullVarchar255DatabaseTableColumn::create('messageID'),
-            NotNullVarchar255DatabaseTableColumn::create('subject'),
-            NotNullVarchar255DatabaseTableColumn::create('recipient'),
-            IntDatabaseTableColumn::create('recipientID')
-                ->length(10)
-                ->notNull(false),
-            NotNullVarchar255DatabaseTableColumn::create('status'),
-            TextDatabaseTableColumn::create('message'),
-        ])
-        ->indices([
-            DatabaseTablePrimaryIndex::create()
-                ->columns(['entryID']),
-            DatabaseTableIndex::create('time')
-                ->columns(['time']),
-        ])
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['recipientID'])
-                ->referencedTable('wcf1_user')
-                ->referencedColumns(['userID'])
-                ->onDelete('SET NULL'),
-        ]),
-
-    // This update script was added with 5.3.3. We need to ensure that the change is applied
-    // when someone attempts to upgrade from an older 5.3.x for whatever reason.
-    // If the database already has the proper state this will be a simple noop.
-    //
-    // see: https://github.com/WoltLab/WCF/commit/d836d365d30d44c6140dda17f82b9bd245db03e9
-    PartialDatabaseTable::create('wcf1_event_listener')
-        ->columns([
-            EnumDatabaseTableColumn::create('environment')
-                ->enumValues(['user', 'admin', 'all']),
-        ]),
-
-    DatabaseTable::create('wcf1_flood_control')
-        ->columns([
-            BigintDatabaseTableColumn::create('logID')
-                ->length(20)
-                ->notNull()
-                ->autoIncrement(),
-            NotNullInt10DatabaseTableColumn::create('objectTypeID'),
-            BinaryDatabaseTableColumn::create('identifier')
-                ->length(16)
-                ->notNull(),
-            NotNullInt10DatabaseTableColumn::create('time'),
-        ])
-        ->indices([
-            DatabaseTablePrimaryIndex::create()
-                ->columns(['logID']),
-            DatabaseTableIndex::create()
-                ->columns(['identifier']),
-            DatabaseTableIndex::create()
-                ->columns(['time']),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_page_content')
-        ->columns([
-            TextDatabaseTableColumn::create('metaKeywords')
-                ->drop(),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_user')
-        ->columns([
-            DefaultFalseBooleanDatabaseTableColumn::create('coverPhotoHasWebP'),
-            DefaultFalseBooleanDatabaseTableColumn::create('multifactorActive'),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_user_authentication_failure')
-        ->columns([
-            NotNullVarchar255DatabaseTableColumn::create('validationError')
-                ->defaultValue(''),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_user_avatar')
-        ->columns([
-            DefaultFalseBooleanDatabaseTableColumn::create("hasWebP"),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_user_group')
-        ->columns([
-            DefaultFalseBooleanDatabaseTableColumn::create('requireMultifactor'),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_user_option')
-        ->columns([
-            MediumtextDatabaseTableColumn::create('labeledUrl'),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_user_ignore')
-        ->columns([
-            TinyintDatabaseTableColumn::create('type')
-                ->length(1)
-                ->notNull()
-                ->defaultValue(1),
-        ]),
-
-    DatabaseTable::create('wcf1_user_multifactor')
-        ->columns([
-            ObjectIdDatabaseTableColumn::create('setupID'),
-            NotNullInt10DatabaseTableColumn::create('userID'),
-            NotNullInt10DatabaseTableColumn::create('objectTypeID'),
-        ])
-        ->indices([
-            DatabaseTablePrimaryIndex::create()
-                ->columns(['setupID']),
-            DatabaseTableIndex::create()
-                ->type(DatabaseTableIndex::UNIQUE_TYPE)
-                ->columns(['userID', 'objectTypeID']),
-        ])
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['userID'])
-                ->referencedTable('wcf1_user')
-                ->referencedColumns(['userID'])
-                ->onDelete('CASCADE'),
-            DatabaseTableForeignKey::create()
-                ->columns(['objectTypeID'])
-                ->referencedTable('wcf1_object_type')
-                ->referencedColumns(['objectTypeID'])
-                ->onDelete('CASCADE'),
-        ]),
-
-    DatabaseTable::create('wcf1_user_multifactor_backup')
-        ->columns([
-            NotNullInt10DatabaseTableColumn::create('setupID'),
-            NotNullVarchar191DatabaseTableColumn::create('identifier'),
-            NotNullVarchar255DatabaseTableColumn::create('code'),
-            NotNullInt10DatabaseTableColumn::create('createTime'),
-            IntDatabaseTableColumn::create('useTime')
-                ->length(10)
-                ->defaultValue(null),
-        ])
-        ->indices([
-            DatabaseTableIndex::create()
-                ->type(DatabaseTableIndex::UNIQUE_TYPE)
-                ->columns(['setupID', 'identifier']),
-        ])
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['setupID'])
-                ->referencedTable('wcf1_user_multifactor')
-                ->referencedColumns(['setupID'])
-                ->onDelete('CASCADE'),
-        ]),
-
-    DatabaseTable::create('wcf1_user_multifactor_email')
-        ->columns([
-            NotNullInt10DatabaseTableColumn::create('setupID'),
-            NotNullVarchar191DatabaseTableColumn::create('code'),
-            NotNullInt10DatabaseTableColumn::create('createTime'),
-        ])
-        ->indices([
-            DatabaseTableIndex::create()
-                ->type(DatabaseTableIndex::UNIQUE_TYPE)
-                ->columns(['setupID', 'code']),
-        ])
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['setupID'])
-                ->referencedTable('wcf1_user_multifactor')
-                ->referencedColumns(['setupID'])
-                ->onDelete('CASCADE'),
-        ]),
-
-    DatabaseTable::create('wcf1_user_multifactor_totp')
-        ->columns([
-            NotNullInt10DatabaseTableColumn::create('setupID'),
-            NotNullVarchar191DatabaseTableColumn::create('deviceID'),
-            NotNullVarchar255DatabaseTableColumn::create('deviceName'),
-            VarbinaryDatabaseTableColumn::create('secret')
-                ->notNull()
-                ->length(255),
-            NotNullInt10DatabaseTableColumn::create('minCounter'),
-            NotNullInt10DatabaseTableColumn::create('createTime'),
-            IntDatabaseTableColumn::create('useTime')
-                ->length(10)
-                ->notNull(false)
-                ->defaultValue(null),
-        ])
-        ->indices([
-            DatabaseTableIndex::create()
-                ->type(DatabaseTableIndex::UNIQUE_TYPE)
-                ->columns(['setupID', 'deviceID']),
-        ])
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['setupID'])
-                ->referencedTable('wcf1_user_multifactor')
-                ->referencedColumns(['setupID'])
-                ->onDelete('CASCADE'),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_box')
-        ->columns([
-            DefaultFalseBooleanDatabaseTableColumn::create('invertPermissions'),
-        ]),
-
-    PartialDatabaseTable::create('wcf1_page')
-        ->columns([
-            DefaultFalseBooleanDatabaseTableColumn::create('invertPermissions'),
-        ]),
-
-    DatabaseTable::create('wcf1_unfurl_url_image')
-        ->columns([
-            ObjectIdDatabaseTableColumn::create('imageID'),
-            TextDatabaseTableColumn::create('imageUrl')
-                ->notNull(),
-            VarcharDatabaseTableColumn::create('imageUrlHash')
-                ->notNull()
-                ->length(40),
-            NotNullInt10DatabaseTableColumn::create('width'),
-            NotNullInt10DatabaseTableColumn::create('height'),
-            VarcharDatabaseTableColumn::create('imageExtension')
-                ->length(4),
-            DefaultFalseBooleanDatabaseTableColumn::create('isStored'),
-        ])
-        ->indices([
-            DatabaseTablePrimaryIndex::create()
-                ->columns(['imageID']),
-            DatabaseTableIndex::create('imageUrlHash')
-                ->type(DatabaseTableIndex::UNIQUE_TYPE)
-                ->columns(['imageUrlHash']),
-        ]),
-
-    DatabaseTable::create('wcf1_unfurl_url')
-        ->columns([
-            ObjectIdDatabaseTableColumn::create('urlID'),
-            TextDatabaseTableColumn::create('url')
-                ->notNull(),
-            VarcharDatabaseTableColumn::create('urlHash')
-                ->notNull()
-                ->length(40),
-            NotNullVarchar255DatabaseTableColumn::create('title')
-                ->defaultValue(''),
-            TextDatabaseTableColumn::create('description'),
-            IntDatabaseTableColumn::create('imageID')
-                ->length(10),
-            NotNullVarchar255DatabaseTableColumn::create('status')
-                ->defaultValue('PENDING'),
-            NotNullInt10DatabaseTableColumn::create('lastFetch')
-                ->defaultValue(0),
-        ])
-        ->indices([
-            DatabaseTablePrimaryIndex::create()
-                ->columns(['urlID']),
-            DatabaseTableIndex::create('urlHash')
-                ->type(DatabaseTableIndex::UNIQUE_TYPE)
-                ->columns(['urlHash']),
-        ])
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['imageID'])
-                ->referencedTable('wcf1_unfurl_url_image')
-                ->referencedColumns(['imageID'])
-                ->onDelete('SET NULL'),
-        ]),
-];
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_2_user_session.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_2_user_session.php
deleted file mode 100644
index c7cb38ecd6..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_2_user_session.php
+++ /dev/null
@@ -1,56 +0,0 @@
-<?php
-
-/**
- * Creates the user_session table.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2020 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\column\CharDatabaseTableColumn;
-use wcf\system\database\table\column\IntDatabaseTableColumn;
-use wcf\system\database\table\column\MediumblobDatabaseTableColumn;
-use wcf\system\database\table\column\NotNullInt10DatabaseTableColumn;
-use wcf\system\database\table\column\NotNullVarchar255DatabaseTableColumn;
-use wcf\system\database\table\column\VarcharDatabaseTableColumn;
-use wcf\system\database\table\DatabaseTable;
-use wcf\system\database\table\index\DatabaseTableForeignKey;
-use wcf\system\database\table\index\DatabaseTableIndex;
-
-return [
-    DatabaseTable::create('wcf1_user_session')
-        ->columns([
-            CharDatabaseTableColumn::create('sessionID')
-                ->length(40)
-                ->notNull(),
-            IntDatabaseTableColumn::create('userID')
-                ->length(10),
-            NotNullVarchar255DatabaseTableColumn::create('userAgent')
-                ->defaultValue(''),
-            VarcharDatabaseTableColumn::create('ipAddress')
-                ->length(39)
-                ->defaultValue(''),
-            NotNullInt10DatabaseTableColumn::create('creationTime'),
-            NotNullInt10DatabaseTableColumn::create('lastActivityTime')
-                ->defaultValue(0),
-            MediumblobDatabaseTableColumn::create('sessionVariables'),
-        ])
-        ->indices([
-            DatabaseTableIndex::create()
-                ->type(DatabaseTableIndex::PRIMARY_TYPE)
-                ->columns(['sessionID']),
-            DatabaseTableIndex::create()
-                ->columns(['userID']),
-            DatabaseTableIndex::create()
-                ->columns(['lastActivityTime']),
-        ])
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['userID'])
-                ->referencedTable('wcf1_user')
-                ->referencedColumns(['userID'])
-                ->onDelete('CASCADE'),
-        ]),
-];
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_4_drop_virtual.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_4_drop_virtual.php
deleted file mode 100644
index 81c1543c7b..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_4_drop_virtual.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-/**
- * Removes the *_session_virtual tables.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2020 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\PartialDatabaseTable;
-
-return [
-    PartialDatabaseTable::create('wcf1_session_virtual')
-        ->drop(),
-    PartialDatabaseTable::create('wcf1_acp_session_virtual')
-        ->drop(),
-];
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_5_drop_acp.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_5_drop_acp.php
deleted file mode 100644
index 89321e373f..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_5_drop_acp.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-
-/**
- * Removes the wcf1_acp_session table.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2020 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\PartialDatabaseTable;
-
-return [
-    PartialDatabaseTable::create('wcf1_acp_session')
-        ->drop(),
-];
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_6_clean_session.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_6_clean_session.php
deleted file mode 100644
index 7496e0f554..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_session_6_clean_session.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-/**
- * Adjusts wcf1_acp_session_access_log and wcf1_session.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2020 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\column\MediumblobDatabaseTableColumn;
-use wcf\system\database\table\column\NotNullVarchar255DatabaseTableColumn;
-use wcf\system\database\table\PartialDatabaseTable;
-
-return [
-    PartialDatabaseTable::create('wcf1_acp_session_access_log')
-        ->columns([
-            NotNullVarchar255DatabaseTableColumn::create('requestMethod')
-                ->defaultValue(''),
-        ]),
-    PartialDatabaseTable::create('wcf1_session')
-        ->columns([
-            MediumblobDatabaseTableColumn::create('sessionVariables')->drop(),
-        ]),
-];
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step1.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step1.php
deleted file mode 100644
index 28b5b973c3..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step1.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-/**
- * First step of the updates to the `wcf1_tag_to_object` table.
- *
- * The foreign keys needs to be dropped first because they required the dropped indices.
- *
- * @author  Matthias Schmidt
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\index\DatabaseTableForeignKey;
-use wcf\system\database\table\index\DatabaseTableIndex;
-use wcf\system\database\table\PartialDatabaseTable;
-
-return [
-    PartialDatabaseTable::create('wcf1_tag_to_object')
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['tagID'])
-                ->referencedTable('wcf1_tag')
-                ->referencedColumns(['tagID'])
-                ->onDelete('CASCADE')
-                ->drop(),
-            DatabaseTableForeignKey::create()
-                ->columns(['languageID'])
-                ->referencedTable('wcf1_language')
-                ->referencedColumns(['languageID'])
-                ->onDelete('CASCADE')
-                ->drop(),
-            DatabaseTableForeignKey::create()
-                ->columns(['objectTypeID'])
-                ->referencedTable('wcf1_object_type')
-                ->referencedColumns(['objectTypeID'])
-                ->onDelete('CASCADE')
-                ->drop(),
-        ])
-        ->indices([
-            DatabaseTableIndex::create()
-                ->columns(['objectTypeID', 'languageID', 'objectID', 'tagID'])
-                ->type(DatabaseTableIndex::UNIQUE_TYPE)
-                ->drop(),
-            DatabaseTableIndex::create()
-                ->columns(['tagID', 'objectTypeID'])
-                ->drop(),
-        ]),
-];
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step2.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step2.php
deleted file mode 100644
index bd1b46c8f3..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step2.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-
-/**
- * Second step of the updates to the `wcf1_tag_to_object` table.
- *
- * @author  Matthias Schmidt
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\index\DatabaseTableIndex;
-use wcf\system\database\table\PartialDatabaseTable;
-
-return [
-    PartialDatabaseTable::create('wcf1_tag_to_object')
-        ->indices([
-            DatabaseTableIndex::create()
-                ->columns(['objectTypeID', 'languageID', 'tagID'])
-                ->drop(),
-        ]),
-];
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step3.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step3.php
deleted file mode 100644
index 8d1cfd77ca..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step3.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/**
- * Third step of the updates to the `wcf1_tag_to_object` table.
- *
- * @author  Matthias Schmidt
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\index\DatabaseTableForeignKey;
-use wcf\system\database\table\index\DatabaseTablePrimaryIndex;
-use wcf\system\database\table\PartialDatabaseTable;
-
-return [
-    PartialDatabaseTable::create('wcf1_tag_to_object')
-        ->foreignKeys([
-            DatabaseTableForeignKey::create()
-                ->columns(['tagID'])
-                ->referencedTable('wcf1_tag')
-                ->referencedColumns(['tagID'])
-                ->onDelete('CASCADE'),
-            DatabaseTableForeignKey::create()
-                ->columns(['languageID'])
-                ->referencedTable('wcf1_language')
-                ->referencedColumns(['languageID'])
-                ->onDelete('CASCADE'),
-            DatabaseTableForeignKey::create()
-                ->columns(['objectTypeID'])
-                ->referencedTable('wcf1_object_type')
-                ->referencedColumns(['objectTypeID'])
-                ->onDelete('CASCADE'),
-        ])
-        ->indices([
-            DatabaseTablePrimaryIndex::create()
-                ->columns(['objectTypeID', 'objectID', 'tagID']),
-        ]),
-];
diff --git a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step4.php b/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step4.php
deleted file mode 100644
index bb2f5267d9..0000000000
--- a/wcfsetup/install/files/acp/database/update_com.woltlab.wcf_5.4_wcf1_tag_to_object_step4.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-/**
- * Fourth step of the updates to the `wcf1_tag_to_object` table.
- *
- * @author  Matthias Schmidt
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\database\table\index\DatabaseTableIndex;
-use wcf\system\database\table\PartialDatabaseTable;
-
-return [
-    PartialDatabaseTable::create('wcf1_tag_to_object')
-        ->indices([
-            DatabaseTableIndex::create()
-                ->columns(['objectTypeID', 'tagID']),
-            DatabaseTableIndex::create()
-                ->columns(['tagID']),
-        ]),
-];
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_checkOwnerGroup.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_checkOwnerGroup.php
deleted file mode 100644
index a5749a995f..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_checkOwnerGroup.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-/**
- * Checks that an owner group has been selected.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\data\user\group\UserGroup;
-use wcf\system\WCF;
-
-if (UserGroup::getOwnerGroupID() === null) {
-    if (WCF::getLanguage()->getFixedLanguageCode() === 'de') {
-        $message = "Es wurde noch keine Besitzer-Gruppe festgelegt.";
-    } else {
-        $message = "No owner group was specified yet.";
-    }
-
-    throw new \RuntimeException($message);
-}
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_checkSystemRequirements.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_checkSystemRequirements.php
deleted file mode 100644
index 65dcbdfa60..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_checkSystemRequirements.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-/**
- * Checks the increased system requirements.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\WCF;
-
-$phpVersion = \PHP_VERSION;
-$neededPhpVersion = '7.2.24';
-if (!\version_compare($phpVersion, $neededPhpVersion, '>=')) {
-    if (WCF::getLanguage()->getFixedLanguageCode() === 'de') {
-        $message = "Ihre PHP-Version '{$phpVersion}' ist unzureichend f&uuml;r die Installation dieser Software. PHP-Version {$neededPhpVersion} oder h&ouml;her wird ben&ouml;tigt.";
-    } else {
-        $message = "Your PHP version '{$phpVersion}' is insufficient for installation of this software. PHP version {$neededPhpVersion} or greater is required.";
-    }
-
-    throw new \RuntimeException($message);
-}
-
-$sqlVersion = WCF::getDB()->getVersion();
-$compareSQLVersion = \preg_replace('/^(\d+\.\d+\.\d+).*$/', '\\1', $sqlVersion);
-if (\stripos($sqlVersion, 'MariaDB') !== false) {
-    $neededSqlVersion = '10.1.44';
-    $sqlFork = 'MariaDB';
-} else {
-    $sqlFork = 'MySQL';
-    if ($compareSQLVersion[0] === '5') {
-        $neededSqlVersion = '5.7.31';
-    } else {
-        $neededSqlVersion = '8.0.19';
-    }
-}
-
-if (!\version_compare($compareSQLVersion, $neededSqlVersion, '>=')) {
-    if (WCF::getLanguage()->getFixedLanguageCode() === 'de') {
-        $message = "Ihre {$sqlFork}-Version '{$sqlVersion}' ist unzureichend f&uuml;r die Installation dieser Software. {$sqlFork}-Version {$neededSqlVersion} oder h&ouml;her wird ben&ouml;tigt.";
-    } else {
-        $message = "Your {$sqlFork} version '{$sqlVersion}' is insufficient for installation of this software. {$sqlFork} version {$neededSqlVersion} or greater is required.";
-    }
-
-    throw new \RuntimeException($message);
-}
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_deleteLanguageItems.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_deleteLanguageItems.php
deleted file mode 100644
index a7160fc788..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_deleteLanguageItems.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-
-use wcf\data\language\item\LanguageItemAction;
-use wcf\data\language\item\LanguageItemList;
-
-$languageItems = [
-    // The empty phrase. See: https://github.com/WoltLab/WCF/commit/9e280cb5c1dd3e398a3096b55f6d88be4baa6923
-    '',
-    'wcf.acp.group.option.user.attachment.allowedExtensions.description',
-    'wcf.acp.group.option.user.contactForm.attachment.allowedExtensions.description',
-    'wcf.acp.group.option.user.signature.attachment.allowedExtensions.description',
-];
-
-$languageItemList = new LanguageItemList();
-$languageItemList->getConditionBuilder()->add('languageItem IN (?)', [$languageItems]);
-$languageItemList->readObjects();
-
-(new LanguageItemAction($languageItemList->getObjects(), 'delete'))->executeAction();
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_migrate_multifactor.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_migrate_multifactor.php
deleted file mode 100644
index 72416a98e3..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_migrate_multifactor.php
+++ /dev/null
@@ -1,165 +0,0 @@
-<?php
-
-/**
- * Migrates multifactor authentication data from the Two Step Verification plugin developed
- * by Hanashi Development.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2020 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use ParagonIE\ConstantTime\Base32;
-use ParagonIE\ConstantTime\Hex;
-use wcf\data\object\type\ObjectTypeCache;
-use wcf\data\package\PackageCache;
-use wcf\data\user\User;
-use wcf\data\user\UserEditor;
-use wcf\system\package\SplitNodeException;
-use wcf\system\user\authentication\password\algorithm\Wcf1;
-use wcf\system\user\authentication\password\PasswordAlgorithmManager;
-use wcf\system\user\multifactor\Setup;
-use wcf\system\WCF;
-
-$hanashiTwoStep = PackageCache::getInstance()->getPackageByIdentifier('eu.hanashi.wsc.two-step-verification');
-
-if (!$hanashiTwoStep) {
-    return;
-}
-
-// Fetch the object types for the relevant MFA methods.
-$totpMethod = ObjectTypeCache::getInstance()
-    ->getObjectTypeByName('com.woltlab.wcf.multifactor', 'com.woltlab.wcf.multifactor.totp');
-$backupMethod = ObjectTypeCache::getInstance()
-    ->getObjectTypeByName('com.woltlab.wcf.multifactor', 'com.woltlab.wcf.multifactor.backup');
-
-// Fetch the backup code hashing algorithm.
-// We use the Wcf1 algorithm as it's super cheap compared to BCrypt and the previous
-// backup codes were stored in plaintext, leading to a net improvement.
-$hashAlgorithm = new Wcf1();
-$hashAlgorithmName = PasswordAlgorithmManager::getInstance()->getNameFromAlgorithm($hashAlgorithm);
-
-// Fetch the affected user IDs.
-$sql = "SELECT  DISTINCT userID
-        FROM    wcf" . WCF_N . "_user_authenticator
-        WHERE   type = ?
-            AND userID NOT IN (
-                    SELECT  userID
-                    FROM    wcf" . WCF_N . "_user_multifactor
-                    WHERE   objectTypeID = ?
-                )";
-$statement = WCF::getDB()->prepareStatement($sql, 30);
-$statement->execute([
-    'totp',
-    $totpMethod->objectTypeID,
-]);
-$userIDs = $statement->fetchAll(\PDO::FETCH_COLUMN);
-
-// Check whether we processed all users.
-if (empty($userIDs)) {
-    return;
-}
-
-// Prepare the statements for use in user processing.
-$sql = "SELECT      name, secret, time
-        FROM        wcf" . WCF_N . "_user_authenticator
-        WHERE       type = ?
-                AND userID = ?
-        FOR UPDATE";
-$existingTotpAuthenticatorStatement = WCF::getDB()->prepareStatement($sql);
-$sql = "SELECT      backupCode
-        FROM        wcf" . WCF_N . "_user_backup_code
-        WHERE       userID = ?
-        FOR UPDATE";
-$existingBackupStatement = WCF::getDB()->prepareStatement($sql);
-
-$sql = "INSERT INTO wcf" . WCF_N . "_user_multifactor_totp
-                    (setupID, deviceID, deviceName, secret, minCounter, createTime)
-        VALUES      (?, ?, ?, ?, ?, ?)";
-$createTotpStatement = WCF::getDB()->prepareStatement($sql);
-$sql = "INSERT INTO wcf" . WCF_N . "_user_multifactor_backup
-                    (setupID, identifier, code, createTime)
-        VALUES      (?, ?, ?, ?)";
-$createBackupStatement = WCF::getDB()->prepareStatement($sql);
-
-foreach ($userIDs as $userID) {
-    WCF::getDB()->beginTransaction();
-
-    // Do not use UserRuntimeCache due to possible memory constraints.
-    $user = new User($userID);
-    $userEditor = new UserEditor($user);
-
-    if (Setup::find($totpMethod, $user) !== null) {
-        // Skip this user, because they have an enabled TOTP method.
-        // This should never happen, because these users are filtered out
-        // when selecting, but we are going to play safe.
-        continue;
-    }
-
-    $totpSetup = Setup::allocateSetUpId($totpMethod, $user);
-
-    $existingTotpAuthenticatorStatement->execute([
-        'totp',
-        $user->userID,
-    ]);
-    $earliestTotp = null;
-    while ($row = $existingTotpAuthenticatorStatement->fetchArray()) {
-        $createTotpStatement->execute([
-            $totpSetup->getId(),
-            Hex::encode(\random_bytes(16)),
-            $row['name'],
-            Base32::decodeUpper($row['secret']),
-            ($row['time'] / 30),
-            $row['time'],
-        ]);
-
-        if ($earliestTotp === null || $earliestTotp > $row['time']) {
-            $earliestTotp = $row['time'];
-        }
-    }
-
-    $backupSetup = Setup::allocateSetUpId($backupMethod, $user);
-    $existingBackupStatement->execute([
-        $user->userID,
-    ]);
-    $usedIdentifiers = [];
-    while ($row = $existingBackupStatement->fetchArray()) {
-        // We intentionally do not validate the signature for resiliency and because
-        // we trust the database to not contain bogus information.
-        $parts = \explode('-', $row['backupCode'], 2);
-        if (\count($parts) < 2) {
-            continue;
-        }
-
-        $code = @\base64_decode($parts[1]);
-        if (!$code) {
-            continue;
-        }
-
-        $identifier = \mb_substr($code, 0, 5, '8bit');
-
-        if (isset($usedIdentifiers[$identifier])) {
-            continue;
-        }
-        $usedIdentifiers[$identifier] = $identifier;
-
-        $createBackupStatement->execute([
-            $backupSetup->getId(),
-            $identifier,
-            $hashAlgorithmName . ':' . $hashAlgorithm->hash($code),
-            $earliestTotp,
-        ]);
-    }
-
-    $userEditor->update([
-        'multifactorActive' => 1,
-    ]);
-
-    WCF::getDB()->commitTransaction();
-}
-
-// If we reached this location we processed at least one user.
-// If this was the final user the next iteration will abort this
-// script early, thus not splitting the node.
-throw new SplitNodeException();
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_migrate_rank_images.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_migrate_rank_images.php
deleted file mode 100644
index 8ecba7cc18..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_migrate_rank_images.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-
-/**
- * Downloads the rank image files to the new internal upload system.
- *
- * @author  Joshua Ruesweg
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\data\user\rank\UserRank;
-use wcf\data\user\rank\UserRankEditor;
-use wcf\data\user\rank\UserRankList;
-use wcf\system\background\BackgroundQueueHandler;
-use wcf\system\background\job\DownloadRankImageJob;
-use wcf\util\Url;
-
-$rankList = new UserRankList();
-$rankList->readObjects();
-
-foreach ($rankList as $rank) {
-    if (!empty($rank->rankImage)) {
-        if (Url::is($rank->rankImage)) {
-            BackgroundQueueHandler::getInstance()->enqueueIn(new DownloadRankImageJob($rank), 60);
-            continue;
-        }
-
-        $rankEditor = new UserRankEditor($rank);
-
-        if (\file_exists(WCF_DIR . $rank->rankImage)) {
-            $newImageName = WCF_DIR . UserRank::RANK_IMAGE_DIR . $rank->rankID . '-' . \basename($rank->rankImage);
-            \copy(WCF_DIR . $rank->rankImage, $newImageName);
-
-            $rankEditor->update([
-                'rankImage' => \basename($newImageName),
-            ]);
-        } else {
-            $rankEditor->update([
-                'rankImage' => "",
-            ]);
-        }
-    }
-}
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_removeFiles.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_removeFiles.php
deleted file mode 100644
index e50e9c1d59..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_removeFiles.php
+++ /dev/null
@@ -1,67 +0,0 @@
-<?php
-
-/**
- * Removes obsolete files.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\data\package\PackageCache;
-use wcf\system\WCF;
-
-$files = [
-    'acp/pre_update_com.woltlab.wcf_2.1.php',
-    'acp/update_com.woltlab.wcf_3.0.14.php',
-    'acp/update_com.woltlab.wcf_3.0_noop.php',
-    'acp/update_com.woltlab.wcf_3.0_pre_sql.php',
-    'acp/update_com.woltlab.wcf_3.1.14.php',
-    'acp/update_com.woltlab.wcf_3.1.2.php',
-    'acp/update_com.woltlab.wcf_3.1_addColumn.php',
-    'acp/update_com.woltlab.wcf_3.1_preUpdate.php',
-    'acp/update_com.woltlab.wcf_5.2.10_orphanedComments.php',
-    'acp/update_com.woltlab.wcf_5.2.php',
-    'acp/update_com.woltlab.wcf_5.2_deleteRecentActivity.php',
-    'acp/update_com.woltlab.wcf_5.2_prePhpApi.php',
-    'acp/update_com.woltlab.wcf_5.2_preUpdate.php',
-    'acp/update_com.woltlab.wcf_5.2_reactionUpdate.php',
-    'acp/update_com.woltlab.wcf_5.2_reloadOptions.php',
-    'acp/update_com.woltlab.wcf_5.3.1_style.php',
-    'acp/update_com.woltlab.wcf_5.3.php',
-    'acp/update_com.woltlab.wcf_5.3_packageServer.php',
-    'acp/update_com.woltlab.wcf_5.3_preUpdate.php',
-    'lib/acp/form/UserGroupPromoteOwnerForm.class.php',
-    'lib/acp/page/ApplicationManagementPage.class.php',
-    'lib/system/database/table/DatabaseTableUtil.class.php',
-];
-
-$sql = "SELECT  packageID
-        FROM    wcf" . WCF_N . "_package_installation_file_log
-        WHERE   filename = ?";
-$searchStatement = WCF::getDB()->prepareStatement($sql);
-
-$sql = "DELETE FROM wcf" . WCF_N . "_package_installation_file_log
-        WHERE       packageID = ?
-                AND filename = ?";
-$deletionStatement = WCF::getDB()->prepareStatement($sql);
-
-$packageID = $this->installation->getPackageID();
-
-foreach ($files as $file) {
-    $searchStatement->execute([$file]);
-    $filePackageID = $searchStatement->fetchSingleColumn();
-    if ($filePackageID !== false && $filePackageID != $packageID) {
-        throw new \UnexpectedValueException("File '{$file}' does not belong to package '{$this->installation->getPackage()->package}' but to package '" . PackageCache::getInstance()->getPackage($filePackageID)->package . "'.");
-    }
-
-    if (\file_exists(WCF_DIR . $file)) {
-        \unlink(WCF_DIR . $file);
-    }
-
-    $deletionStatement->execute([
-        $packageID,
-        $file,
-    ]);
-}
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_session_1_cookies.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_session_1_cookies.php
deleted file mode 100644
index 3845866f80..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_session_1_cookies.php
+++ /dev/null
@@ -1,147 +0,0 @@
-<?php
-
-/**
- * Sets the new session cookies.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\application\ApplicationHandler;
-use wcf\system\form\container\GroupFormElementContainer;
-use wcf\system\form\element\LabelFormElement;
-use wcf\system\form\FormDocument;
-use wcf\system\request\RouteHandler;
-use wcf\system\WCF;
-use wcf\util\CryptoUtil;
-use wcf\util\HeaderUtil;
-
-// 1) Check whether the cookies are already in place.
-$hasValidSessionCookie = false;
-if (!empty($_COOKIE[COOKIE_PREFIX . "user_session"])) {
-    $cookieValue = CryptoUtil::getValueFromSignedString($_COOKIE[COOKIE_PREFIX . "user_session"]);
-    if ($cookieValue && \mb_strlen($cookieValue, '8bit') === 22) {
-        $sessionID = \bin2hex(\mb_substr($cookieValue, 1, 20, '8bit'));
-        if ($sessionID === WCF::getSession()->sessionID) {
-            $hasValidSessionCookie = true;
-        }
-    }
-}
-
-$hasValidXsrfToken = false;
-if (!empty($_COOKIE['XSRF-TOKEN'])) {
-    if (
-        // Check that the XSRF-TOKEN cookie is correctly signed.
-        CryptoUtil::validateSignedString($_COOKIE['XSRF-TOKEN'])
-        // Check that the current session value matches the cookie value.
-        && WCF::getSession()->checkSecurityToken($_COOKIE['XSRF-TOKEN'])
-        // Check that the 't' used for this request matches the cookie value.
-        && (
-            !empty($_REQUEST['t'])
-            && \hash_equals($_COOKIE['XSRF-TOKEN'], $_REQUEST['t'])
-        )
-    ) {
-        $hasValidXsrfToken = true;
-    }
-}
-
-if ($hasValidSessionCookie && $hasValidXsrfToken) {
-    // The process may continue;
-    return;
-}
-
-// 2) Set new session cookie.
-HeaderUtil::setCookie(
-    "user_session",
-    CryptoUtil::createSignedString(
-        \pack(
-            'CA20C',
-            1,
-            \hex2bin(WCF::getSession()->sessionID),
-            0
-        )
-    )
-);
-
-// 3) Set new XSRF-TOKEN cookie.
-$sameSite = $cookieDomain = '';
-if (ApplicationHandler::getInstance()->isMultiDomainSetup()) {
-    // We need to specify the cookieDomain in a multi domain set-up, because
-    // otherwise no cookies are sent to subdomains.
-    $cookieDomain = HeaderUtil::getCookieDomain();
-    $cookieDomain = ($cookieDomain !== null ? '; domain=' . $cookieDomain : '');
-} else {
-    // SameSite=strict is not supported in a multi domain set-up, because
-    // it breaks cross-application requests.
-    $sameSite = '; SameSite=strict';
-}
-
-do {
-    $bytes = \bin2hex(\random_bytes(16));
-} while (\strpos(\base64_encode($bytes), '+') !== false);
-$xsrfToken = CryptoUtil::createSignedString($bytes);
-WCF::getSession()->register('__SECURITY_TOKEN', $xsrfToken);
-\header(
-    'set-cookie: XSRF-TOKEN=' . \rawurlencode($xsrfToken) . '; path=/' . $cookieDomain . (RouteHandler::secureConnection() ? '; secure' : '') . $sameSite,
-    false
-);
-
-// 4) Adjust the SECURITY_TOKEN.
-$container = new GroupFormElementContainer();
-if (WCF::getLanguage()->getFixedLanguageCode() === 'de') {
-    $container->setLabel("Sitzungs-Vorbereitung");
-    $container->setDescription('');
-} else {
-    $container->setLabel("Session Preparation");
-    $container->setDescription('');
-}
-
-$label = new LabelFormElement($container);
-if (WCF::getLanguage()->getFixedLanguageCode() === 'de') {
-    $label->setLabel('');
-    $label->setText(
-        <<<'EOT'
-WoltLab Suite 5.4 aktualisiert das Sitzungs-System.
-Dieser Schritt des Upgrades bereitet Ihre aktive Sitzung auf die Aktualisierung vor und stellt sicher, dass Sie dauerhaft eingeloggt bleiben.
-Falls Sie dieses Fenster nach dem Fortfahren erneut sehen, konnte Ihre Sitzung nicht vorbereitet werden.
-Bitte leeren Sie in diesem Fall die Cookies in Ihrem Webbrowser, melden sich erneut in der Administrationsoberfläche an und versuchen das Upgrade erneut.
-EOT
-    );
-} else {
-    $label->setLabel('');
-    $label->setText(
-        <<<'EOT'
-WoltLab Suite 5.4 updates the session handling.
-This step of the upgrade prepares your active session for this upgrade and ensures that you will continously stay logged in.
-If you see this window again after proceeding then your session could not be prepared.
-Please clear your web browser's cookies in this case.
-Afterwards log back into the Administrator's Control Panel and restart the upgrade.
-EOT
-    );
-}
-
-$label->setDescription(
-    <<<EOT
-<script>(function() {
-var oldToken = SECURITY_TOKEN;
-SECURITY_TOKEN = encodeURIComponent("{$xsrfToken}");
-var oldExecute = WCF.ACP.Package.Installation.prototype._executeStep;
-WCF.ACP.Package.Installation.prototype._executeStep = function (step, node, additionalData) {
-	var request = this._proxy._ajaxRequest;
-	request.setOption('url', request.getOption('url').replace(oldToken, SECURITY_TOKEN));
-
-	return oldExecute.call(this, step, node, additionalData);
-}
-})();
-</script>
-EOT
-);
-
-$container->appendChild($label);
-
-$document = new FormDocument("cookies_set");
-$document->appendContainer($container);
-
-return $document;
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_session_3_migrate_session.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_session_3_migrate_session.php
deleted file mode 100644
index f9ac5f394d..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_session_3_migrate_session.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-
-/**
- * Creates a 5.4+ session matching the current ACP session.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2020 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\session\SessionHandler;
-use wcf\system\WCF;
-
-$sql = "SELECT  userID
-        FROM    wcf" . WCF_N . "_user_session
-        WHERE   sessionID = ?";
-$statement = WCF::getDB()->prepareStatement($sql);
-$statement->execute([
-    SessionHandler::getInstance()->sessionID,
-]);
-
-// Check if a matching session already exists.
-if ($statement->fetchSingleColumn() == SessionHandler::getInstance()->userID) {
-    return;
-}
-
-$sql = "INSERT INTO wcf" . WCF_N . "_user_session
-                    (sessionID, userID, userAgent, ipAddress, creationTime, lastActivityTime, sessionVariables)
-        VALUES      (?, ?, ?, ?, ?, ?, ?)";
-$statement = WCF::getDB()->prepareStatement($sql);
-
-$klass = new \ReflectionClass(SessionHandler::getInstance());
-$property = $klass->getProperty('variables');
-$property->setAccessible(true);
-$variables = $property->getValue(SessionHandler::getInstance());
-
-$variables[SessionHandler::class . "\0__reauthentication__"] = [
-    'lastAuthentication' => TIME_NOW,
-    'lastCheck' => TIME_NOW,
-];
-
-$statement->execute([
-    SessionHandler::getInstance()->sessionID,
-    SessionHandler::getInstance()->userID,
-    SessionHandler::getInstance()->userAgent,
-    SessionHandler::getInstance()->ipAddress,
-    TIME_NOW,
-    TIME_NOW,
-    \serialize([
-        'acp' => $variables,
-        'frontend' => [],
-    ]),
-]);
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_styleCoverPhoto.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_styleCoverPhoto.php
deleted file mode 100644
index ef59734f4d..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_styleCoverPhoto.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-/**
- * Generates the WebP variant for cover photos of styles.
- *
- * @author Alexander Ebert
- * @copyright 2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\data\style\StyleEditor;
-use wcf\system\package\SplitNodeException;
-use wcf\system\style\StyleHandler;
-
-foreach (StyleHandler::getInstance()->getStyles() as $style) {
-    if (!$style->coverPhotoExtension) {
-        continue;
-    }
-
-    if (\file_exists($style->getCoverPhotoLocation(true))) {
-        continue;
-    }
-
-    $styleEditor = new StyleEditor($style);
-    $result = $styleEditor->createCoverPhotoVariant();
-    if ($result === null) {
-        continue;
-    }
-
-    // Queue the script again to prevent running into a timeout.
-    throw new SplitNodeException();
-}
diff --git a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_update_google_font.php b/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_update_google_font.php
deleted file mode 100644
index e2f7646d42..0000000000
--- a/wcfsetup/install/files/acp/update_com.woltlab.wcf_5.4_update_google_font.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-
-/**
- * Re-downloads all Google Fonts.
- *
- * @author  Tim Duesterhus
- * @copyright   2001-2021 WoltLab GmbH
- * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
- * @package WoltLabSuite\Core
- */
-
-use wcf\system\background\BackgroundQueueHandler;
-use wcf\system\background\job\DownloadGoogleFontBackgroundJob;
-
-$families = \glob(WCF_DIR . 'font/families/*/font.css');
-
-foreach ($families as $css) {
-    $family = \basename(\dirname($css));
-
-    BackgroundQueueHandler::getInstance()->enqueueIn(
-        new DownloadGoogleFontBackgroundJob($family),
-        10 * 60
-    );
-}
-- 
2.20.1