Updated mediawiki/skins
Project: mediawiki/skins/Vector  d28f09df312edbb72b19ac6ac5d124f11007a4ba

Move Vector skin from core

This is the final step of the process described at
<https://www.mediawiki.org/wiki/Separating_skins_from_core_MediaWiki>.

Corresponding core change: Idfc38503.

Change-Id: I84fcf7ce6385b8323544cafe6912a00f1886d20d