Updated mediawiki/extensions
Project: mediawiki/extensions/Popups  e6adbef7076c6c5eb2b79a51c8f0bbd3be2db456

rename variable, and parentheses not brackets

removeBracketsFromText doesn't count it tracks nesting level, and
brackets are [] not ().  Minor detail.

Change-Id: I8f42b1ccae5233d7b6062bb311eced6ef3085d4a