Updated openstack/openstack
Project: openstack/trove  1638b63332224b92038776e18b8fbd913cb85759
null
Remove copyright from empty files

According to policy change in HACKING:
http://docs.openstack.org/developer/hacking/#openstack-licensing
empty files should no longer contain copyright notices.

Change-Id: I3992a72c3614e2d0c65aee91e69d89ff806824fc
Closes-Bug: #1262424