Updated mediawiki/extensions
Project: mediawiki/extensions/BlueSpiceFoundation  2f9a6e838fdc500e8fc1355b17302757948903ab

Removed installer i18n backward compatibility

The BlueSpice installer will not be shipped with MW < 1.23, so there is no
need for i18n shim for backward compatibility.

Change-Id: I0f154f992e3ee2810f14be01cda6c5de6b361061