Updated mediawiki/skins
Project: mediawiki/skins/Metrolook  1e3a7c60ca73eaf44ec20de555363d725bbf61e3

Update Metrolook

* Fixes css and removes unused global.

Requires MediaWiki 1.25+ now on master branch.

Change-Id: I87bbad000875e3bc0412c7a6781e73595c60e25c