Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  db4db9294e6c6ba7a033e5d6a168f4e205e038dc

Hygiene: Remove undefined test and unused rule

ran "make cucumber"
Not sure how this test in watchlist.feature didn't get deleted
It's covered in mainmenu.feature - probably a rebase issue.
The not logged in step is not used anywhere

Change-Id: I6cdf41f111a689c6a20d3cdffe575e0ab41423ac