The Cisco Nexus-UCSM environment relies on OVS for the communication
with compute nodes. This is a partial revert of
I4c98008107568b3b65decd7640e25c7d2b1ea9ff.
Change-Id: I453d4bc83314a76fd779884fb2f8cd1731d2bcaa
Related-Bug: #
1687597
 # a Cisco Neutron plugin.
 resource_registry:
   OS::TripleO::AllNodesExtraConfig: ../puppet/extraconfig/all_nodes/neutron-ml2-cisco-nexus-ucsm.yaml
-  OS::TripleO::Services::ComputeNeutronOvsAgent: OS::Heat::None
   OS::TripleO::Services::ComputeNeutronCorePlugin: OS::Heat::None
 
 parameter_defaults: