Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  4c7b44f6ab2c4123fe9ca18a4e43e3d96b8508df

QA: update search test for RSpec

* also removed unused code marked FIXME

Change-Id: Icd2a70235e419dedc2c2848a4de7996a13d02567