They do more harm than good. We still have the "HD" and "non-HD" styles, just no smooth transitions between them. Bug: T85614 Change-Id: I52dd9883eb4e7df00f0613182d4adaa3f28fe5b7
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