Updated openstack/openstack
Project: openstack/nova  f80e2566b854f0f92576284cc20f5d464045529f
null
When inject admin password, no need to generate temp file

Remove the useless steps in _inject_admin_password_into_fs function

Change-Id: I878c7d6d8c081c98e2e5eb2706bfa0d17d298f07