Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  915aa665d2fe13c8eea31082cdb73e373c19ac0c

Removed "toolbarParentSelector" option from toolbarbase widget

Since the "toolbarParentSelecor" option is not used anymore and generates unnecessary
complexity, it is dropped from the toolbarbase widget.

Change-Id: I9950925636817ef24e68e7cdb8127607e0723bee