Pull remove-hotkey into release branch

diff --cc Documentation/feature-removal-schedule.txt
Simple merge

diff --cc drivers/acpi/Kconfig
Simple merge

diff --cc drivers/acpi/asus_acpi.c
Simple merge

diff --cc drivers/acpi/ibm_acpi.c
Simple merge

diff --cc drivers/acpi/osl.c
Simple merge

diff --cc drivers/acpi/toshiba_acpi.c
Simple merge

diff --cc include/acpi/acpi_drivers.h
Simple merge