Remove neutron lbaas from the offering

Neutron LBaaS was integrated with the hope of being able to use it in
a production capacity. Those dreams were not to be. We have moved on to
building out Octavia and that will be our LBaaS of choice. No sense in
keeping this logic around.
Merge pull request #535 from blueboxgroup/remove-lbaas

Remove neutron lbaas from the offering