Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  27d2cb77fbddaae3edd1380d923314510610e2b0

Remove Utils::lookup[User]MultilangText() and related functions

Replaced by language fallback chain.

Utils::languageChain(), which has no usage in Wikibase, is removed too.

Other removed functions include those lookup* functions' dependency,
Utils::filterMultilangText() and Utils::reorderArray().

Change-Id: I40ad9647ba489a7950773f21a2ec04273ef1fe9e