Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  48c16a2a43a881bed19ba2bb1de30bff3407c092

Fix Undefined offset notice

Also removed some dead code that never ran, there is no variable named
"$buckets" so it'll never have an offset.

Bug: 45327
Change-Id: I1f70ef0ec4f2434f9f072e718140ff8050b81ba3