Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  b89c6f30a4cd2e092c120db04d65ae926ba50f31

Remove unused BC code for SpecialPageTranslationMovePage

Not needed for any of the supported core versions and it was
spewing deprecation notices.

Change-Id: I6379f9ac7798eb6a3be92c198adee4c3eee81837