BAC-483: Special:BrokenRedirects

Always lists interwiki redirects, regardless of validity

Backported change from MW 1.21.0 - https://github.com/wikimedia/mediawiki-core/commit/4c21cf53d87697bfbfb521d99b825a3fd287c77e
Merge pull request #1099 from Wikia/bac-483-broken-redirects-skip-interwiki

BAC-483: Special:BrokenRedirects