Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  1a4c2d494e8b2acbe90afcd47be02811f80bfeb1

Revert "Specify languages for MessageGroupStats and groups for LanguageStats"

This reverts commit f27217f039ad79ed7fc1459d90dd3c2a31069750.

This broke the hierarchy of aggregate groups on translatewiki.net. This
needs to be resolved before it can be merged again.

Change-Id: I398fbe99c0152552a1a780d1b4c8c4cf33b8bf6a