Delete Floating IP when destroying VM
Delete Floating IP when destroying VM

Floating IP is not deleted when VM is destroyed, this leads to
Error: "Quota Exceeded (Floating IPs)".
With this patch Floating IP associated with VM is also deleted
when VM is deleted.

Change-Id: I3b9c7a63f551e1575bdf3d53091a7e47e5c4ee35

rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config,redhat-openstack/rdo-infra,redhat-openstack/rdo-infra