Revert "gall: WIP use ford fusion for mark casting"
Revert "gall: WIP use ford fusion for mark casting"

This reverts commit 22aa98e7174d4e700aa222c150c499312d3629c5.

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