Updated mediawiki/extensions
Project: mediawiki/extensions/OggHandler  128a9ef0a0e94ea2c184bb435403dcbe0d20e634

Close out extension and note TimedMediaHandler as replacement

Leave no-op PHP file to avoid errors and README, both pointing to
TMH.

Change-Id: I6ad2538fda15d29d780a22796e7c980e94901729