Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  e462b2c72aa892857c3409b146764e1cd163baa4

Use CacheOutput::unsetProperty

This depends on I29af31918c48a1225b6487c74fd638de26f07b28.

Change-Id: Id3658228ec3233c92f5acbff7a5112563668ad34