Remove last parts of Quantum compatibility shim
Remove last parts of Quantum compatibility shim

Goodbye Quantum!

Change-Id: Idbd0384a892beaff3a937444f04cfc433cb805eb
Closes-Bug:1299046

FedericoRessi/networking-odl,openstack/networking-odl,schoksey/networking-odl,FedericoRessi/networking-odl,openstack/networking-odl,CiscoSystems/networking-odl,mestery/x-stackforge-odl,schoksey/networking-odl,openstack/networking-odl,CiscoSystems/networking-odl,flavio-fernandes/networking-odl,flavio-fernandes/networking-odl