Remove duplicate MIGRATION_* definitions
Remove duplicate MIGRATION_* definitions

akeym/cyder,murrown/cyder,murrown/cyder,OSU-Net/cyder,drkitty/cyder,zeeman/cyder,akeym/cyder,zeeman/cyder,OSU-Net/cyder,drkitty/cyder,akeym/cyder,OSU-Net/cyder,OSU-Net/cyder,zeeman/cyder,drkitty/cyder,murrown/cyder,murrown/cyder,akeym/cyder,drkitty/cyder,zeeman/cyder