Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  2ffa7bf5617b38d104afaf0e43d1185d6c9e52ba

Drop/replace some pointless assert()

This is related to the planned HHVM switch. assert() depends on a
setting and may do nothing.

I think most of these assert() are more confusing than helpful.

Change-Id: I19044396ba8d6c8046aee465b505efa06ebbb140