Updated mediawiki/extensions
Project: mediawiki/extensions/CentralNotice  94d5c0df5c35cf83852e69c7b4860ab3d8357069

Don't inject dns-prefetch link tag on MetaWiki

Users on MetaWiki have already resolved its hostname.

Change-Id: I494c75076fa1c32007b09bfb381af7888d202628