Updated openstack/openstack
Project: openstack/nova  e990d9f0e1062a0e1aeb7a7c38ae1bf4e8cef792

Remove unnecessary passing of task_state to check_instance_state

Remove cases where task_state=[None] was passed to check_instance_state
when that is essentially the default value anyway

Change-Id: I49b6449b9ae43a5cfcf5a1ccac5ee9a64d2b3f3c