Improve readability of JQ for novaBM and ironic

Re-alignment of long expression.
Unify expressions as much as possible.
Unsets parts of the config that are not required.

Co-Author: Alexis Lee <alexisl@hp.com>
Change-Id: Ic528175649c54395d2d47b0cbbbe11c09b65d91a
Merge "Improve readability of JQ for novaBM and ironic"