Updated mediawiki/extensions
Project: mediawiki/extensions/MassMessage  7da795f7c5219c8c74cd87dc0f92155ac0649b07

The "massmessage-account-blocked" message is no longer used.

We no longer check block status locally since we assume the delivery
will be global.

Change-Id: I4b8d074a75c9e414ecdfb7a47e9954e8b253ba10