Remove obsolete ebnf stuff
Remove obsolete ebnf stuff

factor/factor,nicolas-p/factor,mcandre/factor,mcandre/factor,sarvex/factor-lang,erg/factor,dch/factor,littledan/Factor,erg/factor,bjourne/factor,jwmerrill/factor,dharmatech/factor,dch/factor,mrjbq7/factor,factor/factor,littledan/Factor,kingcons/factor,bpollack/factor,bpollack/factor,dch/factor,slavapestov/factor,nicolas-p/factor,Keyholder/factor,mrjbq7/factor,bpollack/factor,slavapestov/factor,bjourne/factor,littledan/Factor,AlexIljin/factor,nicolas-p/factor,bpollack/factor,erg/factor,bjourne/factor,bpollack/factor,mrjbq7/factor,factor/factor,bjourne/factor,mrjbq7/factor,mrjbq7/factor,tgunr/factor,mcandre/factor,slavapestov/factor,mcandre/factor,AlexIljin/factor,sarvex/factor-lang,sarvex/factor-lang,tgunr/factor,Keyholder/factor,dch/factor,dharmatech/factor,mcandre/factor,jwmerrill/factor,bjourne/factor,cataska/factor,AlexIljin/factor,AlexIljin/factor,nicolas-p/factor,erg/factor,seckar/factor,ceninan/factor,mrjbq7/factor,ceninan/factor,sarvex/factor-lang,nicolas-p/factor,factor/factor,slavapestov/factor,nicolas-p/factor,bpollack/factor,kingcons/factor,AlexIljin/factor,seckar/factor,ehird/factor,erg/factor,ehird/factor,bjourne/factor,ceninan/factor,erg/factor,bjourne/factor,slavapestov/factor,tgunr/factor,Keyholder/factor,sarvex/factor-lang,mcandre/factor,cataska/factor,tgunr/factor,factor/factor,sarvex/factor-lang,tgunr/factor,littledan/Factor,erg/factor,kingcons/factor,jwmerrill/factor,AlexIljin/factor,bpollack/factor,nicolas-p/factor,cataska/factor,factor/factor,sarvex/factor-lang,ceninan/factor,slavapestov/factor,slavapestov/factor,dch/factor,dch/factor,ehird/factor,seckar/factor,mcandre/factor,cataska/factor,tgunr/factor,AlexIljin/factor,kingcons/factor,dharmatech/factor