gall: don't enqueue %cork as outstanding
gall: don't enqueue %cork as outstanding

Ames will no longer send acks. Consider it completed immediately, and
clean up the outstanding queue whenever it's empty.

ngzax/urbit,urbit/urbit,ngzax/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit,urbit/urbit,urbit/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit