Switch sushy over to track Train directly
Switch sushy over to track Train directly

As sushy can no longer be released, and applicable fixes still merge
to the stable/train branch as it is tightly coupled with the hardware
being managed, the specific version tag is being removed so it will
track the stable branch which is actively maintained.

Change-Id: I479ec8093ab6f789d61436e157ed2bd92e4a1c3d

redhat-openstack/rdoinfo