Updated mediawiki/extensions
Project: mediawiki/extensions/UploadWizard  b7889a6f9f10e40025aedd840104adf2c560b9e4

jquery.removeCtrl: Remove very very very dead and very wrong code

* Hardcodes path to root, script path and extensions. All of which
  are variable and configurable.
* "UsabilityInitiative".
* Commented out.

Change-Id: I4bae386b4ef62cfea69946dd2cd60622d5b0c332