Updated mediawiki/skins
Project: mediawiki/skins/Nimbus  b779b9d953fa93080aeb0341823ea2e6bbbb933a

Removing ImageRating CSS

This just duplicates ImageRatings' base CSS file, and ImageRatings isn't
even ready for prime time yet.

Change-Id: I7007642ef490aecdee28bed32b09b26d85a05de8