Updated mediawiki/extensions
Project: mediawiki/extensions/ContentTranslation  9979d03d182385b6ea2266169f4dcdc861d09b0a

Remove unused message

This message was never used, and now cx-tools-mt-provider-title
can be used for the same purpose.

Change-Id: I552396f028cbe4556a0b1626076fa449771a06cd