Updated openstack/openstack
Project: openstack-dev/devstack  b8071e9ba9fe78ef80542dd50448236823594316
null
only remove network states from Nova when n-net is enabled

When n-net is not enabled but q-dhcp is enabled then it's not
necessary to remove the states directory of nova-network.

Change-Id: Ib4b37aa7df2b3cda3048b278ddad24e87e3744c9