Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  eec40ea9f9882fd92e0fc7315b57e2067412a1c0

Remove no longer needed wikibase.getSite*/hasSite wrapper

The old functions are no longer used as far as I can tell,
so remove them.

Change-Id: I390971affbe4ab0fda8c8b5e43c4ed4fd26d1330