Updated mediawiki/extensions
Project: mediawiki/extensions/Parsoid  6a39f4ef8758c9196d16b62a96befbcefce09452

Don't apply mw-figcaption class to figcaption (it is redundant information)

* Updated parser tests expected HTML as well.

Change-Id: I1310d45b5c81cd62b53057717a5211d15119eebe