Updated mediawiki/skins
Project: mediawiki/skins/CologneBlue  a85180a35725dd8235e72d5b8e3125ae2c77ab1b

Remove "$stylename = 'cologneblue'"

It doesn't do anything, which is clearly evident from the fact that
the skin works correctly while the correct value would be 'CologneBlue'.
See also I61c6e952 in core.

Change-Id: Idf249b1b40f87cd3257fc1fb03f3fbf5c9477b7d