Switch to using neutron Pike from pypi
Switch to using neutron Pike from pypi

Since 11.0.3 neutron pike is now on pypi, so we should switch to using
it from there to ensure we pick up any new releases automatically.

Change-Id: I4dfab6e5c6465686d1af2dc2e8e0a1fc617b3bb5

noironetworks/networking-cisco,openstack/networking-cisco,noironetworks/networking-cisco,openstack/networking-cisco