Remove unused arms `hoax` and `hoof` from hoon
Remove unused arms `hoax` and `hoof` from hoon

jfranklin9000/urbit,belisarius222/arvo,cgyarvin/arvo,Fang-/arvo,jfranklin9000/urbit,joemfb/arvo,urbit/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit,solri/arvo,ngzax/urbit,jfranklin9000/urbit,urbit/urbit,cgyarvin/arvo,jfranklin9000/urbit,jfranklin9000/urbit,eglaysher/arvo,urbit/urbit,joemfb/arvo,urbit/urbit,ohAitch/arvo,jfranklin9000/urbit,belisarius222/arvo,urbit/urbit,jfranklin9000/urbit,ngzax/urbit,ohAitch/arvo,urbit/urbit,urbit/urbit,ngzax/urbit