Big Switch: Remove consistency hash on full sync
Big Switch: Remove consistency hash on full sync

Clears the consistency hash before performing a full
backend synchronization. Since all of the data is being
replaced, there is no reason to include this and it
currently requires special-casing to handle.

Closes-Bug: #1328233
Change-Id: Iace766d869dc78b041d3a5464e728b872c8347c2

asgard-lab/neutron,mandeepdhami/neutron,yanheven/neutron,MaximNevrov/neutron,openstack/neutron,SmartInfrastructures/neutron,javaos74/neutron,SamYaple/neutron,MaximNevrov/neutron,yuewko/neutron,bgxavier/neutron,neoareslinux/neutron,bigswitch/neutron,chitr/neutron,dhanunjaya/neutron,magic0704/neutron,skyddv/neutron,JianyuWang/neutron,dims/neutron,jerryz1982/neutron,CiscoSystems/neutron,skyddv/neutron,javaos74/neutron,redhat-openstack/neutron,jumpojoy/neutron,leeseuljeong/leeseulstack_neutron,aristanetworks/neutron,mattt416/neutron,jumpojoy/neutron,suneeth51/neutron,glove747/liberty-neutron,pnavarro/neutron,mmnelemane/neutron,waltBB/neutron_read,redhat-openstack/neutron,takeshineshiro/neutron,yanheven/neutron,miyakz1192/neutron,rdo-management/neutron,CiscoSystems/neutron,waltBB/neutron_read,huntxu/neutron,mahak/neutron,eonpatapon/neutron,klmitch/neutron,magic0704/neutron,dims/neutron,blueboxgroup/neutron,bgxavier/neutron,dhanunjaya/neutron,igor-toga/local-snat,gkotton/neutron,silenci/neutron,virtualopensystems/neutron,cloudbase/neutron,eayunstack/neutron,watonyweng/neutron,jacknjzhou/neutron,mahak/neutron,cisco-openstack/neutron,vivekanand1101/neutron,wolverineav/neutron,paninetworks/neutron,asgard-lab/neutron,mandeepdhami/neutron,wenhuizhang/neutron,vveerava/Openstack,projectcalico/calico-neutron,sebrandon1/neutron,apporc/neutron,infobloxopen/neutron,swdream/neutron,barnsnake351/neutron,cloudbase/neutron,chitr/neutron,cisco-openstack/neutron,Metaswitch/calico-neutron,pnavarro/neutron,JioCloud/neutron,CiscoSystems/neutron,mmnelemane/neutron,igor-toga/local-snat,shahbazn/neutron,antonioUnina/neutron,eayunstack/neutron,apporc/neutron,suneeth51/neutron,sasukeh/neutron,gkotton/neutron,Metaswitch/calico-neutron,leeseuljeong/leeseulstack_neutron,cloudbase/neutron-virtualbox,leeseulstack/openstack,barnsnake351/neutron,miyakz1192/neutron,cernops/neutron,leeseulstack/openstack,noironetworks/neutron,wenhuizhang/neutron,mattt416/neutron,rdo-management/neutron,watonyweng/neutron,JioCloud/neutron,vveerava/Openstack,shahbazn/neutron,leeseulstack/openstack,NeCTAR-RC/neutron,SamYaple/neutron,adelina-t/neutron,yuewko/neutron,blueboxgroup/neutron,JianyuWang/neutron,alexandrucoman/vbox-neutron-agent,vivekanand1101/neutron,takeshineshiro/neutron,sasukeh/neutron,sebrandon1/neutron,aristanetworks/neutron,paninetworks/neutron,infobloxopen/neutron,cloudbase/neutron-virtualbox,bigswitch/neutron,openstack/neutron,alexandrucoman/vbox-neutron-agent,huntxu/neutron,klmitch/neutron,swdream/neutron,silenci/neutron,noironetworks/neutron,eonpatapon/neutron,gkotton/neutron,neoareslinux/neutron,wolverineav/neutron,jacknjzhou/neutron,antonioUnina/neutron,mahak/neutron,glove747/liberty-neutron,projectcalico/calico-neutron,virtualopensystems/neutron,SmartInfrastructures/neutron,Stavitsky/neutron,cernops/neutron,openstack/neutron,NeCTAR-RC/neutron,leeseuljeong/leeseulstack_neutron,adelina-t/neutron,virtualopensystems/neutron,jerryz1982/neutron,Stavitsky/neutron,vveerava/Openstack,blueboxgroup/neutron