Deprecate ILoggingAwareException

Deprecate ILoggingAwareException

The `finalizeLog()` method was initially added to support
com.woltlab.wcf.elasticSearch, as it logged the full - possibly huge -
Elasticsearch response, allowing it to log the response into a separate log
file.

This came with severe usability issues, as this log file is not readily
available from the ACP.

The Elasticsearch package was completely cleaned up, relying on the regular
Guzzle exceptions, and errors during JSON decoding no longer include the full
JSON.

Letting the Exception know that they've been logged is a layering violation
that will not play along nicely with #4342. The current method signature also
is pretty much limited to logging into files only.

Deprecate the interface, now that the only known user is gone.