Revert "fix rub to crash gracefully upon decoding invalid data"
Revert "fix rub to crash gracefully upon decoding invalid data"

This reverts commit ae2f94b01848dd760bb5c912e3010689f4a86d61.

Some odd crash is happening on boot...

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