Cisco plugin cleanup
Cisco plugin cleanup

Removing unused plugins and code from the Cisco plugin framework.

Change-Id: Ib22d173a088ad50b410a51a1d92685259d0af473
Implements: blueprint cisco-plugin-cleanup

FedericoRessi/networking-odl,openstack/networking-odl,schoksey/networking-odl,dougwig/x-neutron-vpnaas,gandelman-a/neutron-lbaas,CiscoSystems/networking-odl,dougwig/x-neutron-fwaas,mestery/x-stackforge-odl,openstack/networking-odl,openstack/neutron-vpnaas,schoksey/networking-odl,gotostack/neutron-lbaas,openstack/neutron-vpnaas,gotostack/neutron-lbaas,citrix-openstack-build/neutron-vpnaas,flavio-fernandes/networking-odl,citrix-openstack-build/neutron-lbaas,gotostack/neutron-lbaas,gandelman-a/neutron-lbaas,openstack/neutron-fwaas,dougwig/x-neutron-lbaas,gandelman-a/neutron-lbaas,flavio-fernandes/networking-odl,openstack/neutron-fwaas,CiscoSystems/networking-odl,gaolichuang/neutron-fwaas,openstack/networking-odl,citrix-openstack-build/neutron-fwaas,gaolichuang/neutron-fwaas,FedericoRessi/networking-odl