Updated mediawiki/extensions
Project: mediawiki/extensions/LiquidThreads  b3556b285bd05c595f847dedb67a62213edfc9a2

Remove unused lqt_rc CSS classes

The corresponding optional message(s) had already been removed.
Already removed from TWN with Id3c11227dbe315a5474b05a304f1336a3a954d9e

Change-Id: I3f6c319d51ab021fa8889edd69f51c83b26a04fe