Updated mediawiki/extensions
Project: mediawiki/extensions/UploadWizard  8bd13ac4317f48336f90a39723d142628eb906e9

No need to use custom mw.log anymore

Transform some of the mw.log calls and delete the weird custom library
that has been there for a while.

Bug: 53453
Change-Id: Ieb7121fa85ce36655749625c0d5447844c3387a0