I can't. Does GitHub really have nothing better to do than to play nanny cop because I used a naughty word in my code? Are brainfuck interpreters now off-limits? How about drivers for teledildonics hardware? Or libraries specifically for detecting and filtering swear words? Or maybe I just want to vent a bit in a comment every once in awhile because of some annoyance with the language or target platform or problem to be solved?
Fuck that and the horse it rode in on. We're all adults here (well, or possibly teenagers, but let's face it: they've probably already heard much worse at school).
Not that this seems like the real reason why SS13 got nuked anyway; if GitHub really has some kind of anti-profanity rule, they're doing a real bang-up job of consistently enforcing it: https://github.com/search?q=shit / https://github.com/search?q=piss / https://github.com/search?q=fuck / https://github.com/search?q=cunt / https://github.com/search?q=cocksucker / https://github.com/search?q=motherfucker / https://github.com/search?q=tits