Thread:ILikeTrains/@comment-31469090-20140919193146/@comment-5762645-20140919225046

Crap. It is in the MediaWiki page and somebody's linked to the Userboxes using and that's automatically placed it into their categories.

The best I can do for now is to remove it from the MediaWiki page, but to remove it from all user pages, you'll have to ask AgentSpy to use his bot to remove the categories.