Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  385c4f479cdfb14bfa66ecfcb7abbe106663948e

Remove temporary performance hack

See I3bb39e7. I don't see a difference when running this test on
my local machine with and without the hack.

Change-Id: Ieea02f4b8ecedab2aba9444b6caca9fb6f392649