Use the neutron upstream api-paste.ini config.

We no longer need to carry this file in the tripleO element.
We can just use the upstream version.

Also, removes a duplicated auth_protocol line in the neutron.conf
file.

Change-Id: I674280b9ad49a97037c8c99fd6febebe2fa8abd9
Use the heat upstream api-paste.ini config.

We don't need to carry this file in the tripleO element.
We can just use the upstream version.

Change-Id: I1f12d007354005354b20cf3ac5e6125453263e21
Merge "Use the heat upstream api-paste.ini config."
Merge "Use the neutron upstream api-paste.ini config."