Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  874ba686f9eeb03ff49bed56730ebfc1ad1b4659

Optimise galleries on mobile and tablets

* Remove unnecessary hacks for galleries
* Apply a hack that is mobile specific to improve rendering on browsers
that support media queries and are less than half the tablet viewport width

Bug: 70684
Change-Id: I6b56a0f6f041aa629c01c3f858862b747808c483