Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  cd77b2acbe98fe461dd3b01f95f04963d6414060

Removed failing test for illegal time value

Note that the comment says also something about removing
the validator. I am not sure what is meant with that, 
and therefor I left the comment inside, but maybe
this should be done also soon.

Change-Id: Ie69992976344874e79f6c6163cd9e69c835ac3f7