Revert "zuse: change to ropsten"
Revert "zuse: change to ropsten"

This reverts commit d15d5ba1752e8d27b2da324a85216eeb6b065f2f.

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