Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  3c1134d28cafb47ba6048cbcf93e6aa11de0f912

Remove no longer needed isWatchlist remnants

ChangesList now has its own isWatchlist method that we
can use, we no longer need to hack it ourselves.

Change-Id: Ia6c189fd87b5535ccce844987c65a22c849621b5