Updated mediawiki/extensions
Project: mediawiki/extensions/LiquidThreads  c090528fe4cf6be1b3a7e7b5e636b8331e9a5376

Remove code related to SkinTemplateTabs hook

The hook was removed in MW 1.18

Change-Id: Ia5848b49c7b73c08c4400e1db9e046bd7ed1707b