Updated mediawiki/extensions
Project: mediawiki/extensions/TimedMediaHandler  dfa1a86c45d191d959237418e73a31dc7a99f445

Fix a CSS error in the videoplayer skin.

Remove the important all together, it wasn't being applied and not
needed either.

Change-Id: Ibaf3e22e957093aea0e1e96ef16aa5ec8382b0fe