Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  20cc63824fce7301fdbed1abf87ac2cd6ba17253

Removed dead procedural code

Depends on https://gerrit.wikimedia.org/r/#/c/63126/

Change-Id: Ic85d9494ba5bda6bfe2a1575b458d3ca156ba64f