Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  b50ce63c4673807288e0e26436b74873ed6cdd0a

Hygiene: Browser test cleanup

* Make search_page consistent with other pages and remove unused
variables
* Update ui_links test so it doesn't use Barack Obama page

Change-Id: I28fcf6b2a0fa1d4b141e2a4387ecbeefb7517bbc