Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  394b25c1b0f51bee864c129b03c874af9d8d54c4

Remove WBC_VERSION check and namespace from populateInterwiki.php

This script has been the among the most useful thing in all of wikibase!
It has no reason at all to actually require Wikibase and should ideally
be moved into core.

This is one step towards moving this to core.

Change-Id: Iae2fa32fdbb6ebd743d0ae0538942556255ecbd6