Updated openstack/openstack
Project: openstack-dev/pbr  fe08ee5d79def281590627c07e80d665a09d9ddb
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.

Closes-Bug: #1262424
Change-Id: Ib937beb9f627e7b5e25baa1cd37fd01fcc04fd41