If she can stand on all four legs and walk on all four legs and isn't in pain then I can't see why an abbatoir wouldn't take her. I assume you would have the meat for your own freezer? I don't know whether there may be some issues in the meat where there is scarring and you might get some of the carcase condemned - but I can't see why the rest of it wouldn't be ok. We do send the odd recovered flystruck lamb off and have never had any of the meat from them condemned, so presumeably the healing had been sufficient within the muscle, or perhaps the problem had been caught early enough before the damage got beneath the skin.
You could ring your local abbatoir for advice.