Updated mediawiki/extensions
Project: mediawiki/extensions/CommonsMetadata  164b22afcad611b01c7c52cde6ddcdd4bdbea17d

Consistency tweak in preparation for adding extension to translatewiki.net

* Remove . from end of description

Change-Id: I366d3c3f2cd738db7afda7fcbba5c550ed7e462d