Updated mediawiki/extensions
Project: mediawiki/extensions/Offline  7aa554776ce2a0d61bd4743059d5ce1ddb825539

Remove SearchBz2

Unmaintained, mostly broken with core search changes, and doesn't
look like it ever worked anyway. No docs point to it and it's
littered with broken promises to improve it.

Change-Id: I0486a5d68bbc3c60e0c21ac67b371aa04e769538