Clean up integration script
Clean up integration script

There are several things in the script that are no longer necessary.
Remove them to clean things up so that we can reason about this
script with less stress.

Change-Id: I02863c8ab98d7e403fada2973a0b5807e1b75595

WiFast/pbr,klmitch/pbr,klmitch/pbr,openstack-dev/pbr,varunarya10/pbr,redhat-openstack/pbr,openstack-dev/pbr,redhat-openstack/pbr,varunarya10/pbr,WiFast/pbr,JioCloud/pbr,JioCloud/pbr,openstack-dev/pbr