Updated mediawiki/extensions
Project: mediawiki/extensions/Blackout  35030828fa469630327547da9d41e9bd4e1e5b86

Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: I3eb176448ce7ad184c688dd69902d3799a22c410