Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  44139bac895b80b8cb75eb707cc5d0cdf0e43d65

WIP: Avoid SkinMobile-specific functions and properties

Instead, use OutputPage properties from https://gerrit.wikimedia.org/r/#/c/48208/
Helps avoid fatals/confusion

Change-Id: I6eabb5fb41b9f280a44c4ef8a1f2150ff092d741