Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  36ba2674bd2fe32b31cecd65766d28387dedefb6

Plugins cleanup, documentation

Also fixes js error: Uncaught TypeError: Cannot read property 'properties'of undefined

Bug: 46335
Change-Id: Id9a089009dce0bf9071a2beb4c1abb49bd06bb1a