Removed outdated comment in setup-nodes role
Removed outdated comment in setup-nodes role

Removed a comment noting that the format was conceptual
for the execution of os_ironic_node as that module had
not yet been written when the playbook was initially
written.

devananda/bifrost,juliakreger/bifrost,bcornec/bifrost,bcornec/bifrost,EntropyWorks/bifrost,EntropyWorks/bifrost,devananda/bifrost,juliakreger/bifrost,openstack/bifrost,openstack/bifrost