Stop ceilometer and trove inclusion of test-requires

Currently both of these projects have test-requires that
are incorrect, broken, and just don't make sense, so to
bypass pip downloading there test-requirements as part of
the prepare process we will just turn that inclusion off.

Change-Id: I24c8c73b3901c519d7297cbcb890c94ae4419e72
Merge "Stop ceilometer and trove inclusion of test-requires"