Updated mediawiki/extensions
Project: mediawiki/extensions/WikimediaIncubator  3b3e8b68794d70a4d66c037bb886c30e17cd7607

Remove duplicate translations

This is a follow-up to change 150463 where I had accidentally made
duplicate translations in some translation files.

Change-Id: Icbe013e08f8fd79c4a419f368a0b4e0367786055