Updated mediawiki/skins
Project: mediawiki/skins/Nimbus  31ef69c33317a0fcc991a7810ac0232de5b15537

Removing RandomUsersWithAvatars' CSS

This has been available as
/extensions/RandomUsersWithAvatars/ext.randomuserswithavatars.css for over
a year, and that extension properly includes that CSS file if and when
necessary, so no need to have the styles here.

Change-Id: Iec4d605f1bc122711dcd6a278054409dfdbf41eb