Deleted comment about part power in FakeRing
Deleted comment about part power in FakeRing

Deleted comment about parameter part power in Class FakeRing as its
behavior got dropped in I8bfc388a04eff6491038991cdfd7686c9d961545.

Change-Id: Iec7d2565a77e48493b0056021066d8d8eab65d0b
Closes-Bug:  #1488704

psachin/swift,hurricanerix/swift,matthewoliver/swift,redbo/swift,nadeemsyed/swift,matthewoliver/swift,smerritt/swift,larsbutler/swift,smerritt/swift,aerwin3/swift,smerritt/swift,openstack/swift,swiftstack/swift,revoer/keystone-8.0.0,larsbutler/swift,psachin/swift,clayg/swift,hurricanerix/swift,redbo/swift,notmyname/swift,nadeemsyed/swift,aerwin3/swift,revoer/keystone-8.0.0,notmyname/swift,psachin/swift,openstack/swift,hurricanerix/swift,williamthegrey/swift,clayg/swift,matthewoliver/swift,notmyname/swift,psachin/swift,openstack/swift,hurricanerix/swift,rackerlabs/swift,tipabu/swift,tipabu/swift,williamthegrey/swift,clayg/swift,matthewoliver/swift,clayg/swift,notmyname/swift,openstack/swift,prashanthpai/swift,nadeemsyed/swift,swiftstack/swift,nadeemsyed/swift,swiftstack/swift,prashanthpai/swift,tipabu/swift,rackerlabs/swift,tipabu/swift,smerritt/swift