Do not defer allocation if fixed-ips is in the port create request.
Do not defer allocation if fixed-ips is in the port create request.

The above is no longer true if fixed-ips is used in the port create
request.

Closes-Bug: #1697803

Change-Id: I211e40584a42d777531fe9d698c4907c7d97e2ac

mahak/neutron,openstack/neutron,openstack/neutron,huntxu/neutron,noironetworks/neutron,huntxu/neutron,noironetworks/neutron,openstack/neutron,eayunstack/neutron,eayunstack/neutron,mahak/neutron,mahak/neutron