Simplify LBaaS parameters

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openshift.yaml uses many parameters to invoke a loadbalancer.

In case of a LBaaS (both neutron v1 and v2) many parameters are unneeded and are just polluting the loadbalancer_neutron.yaml.

Using conditions we could have different lbaas resources defined in openshift.yaml, thus simplifying the adoption of a LBaaS for the wildcard address too (eg. customizing the lbaas template).

Does it sound right @tomassedovic ?

Thx++Peace,
R.