update hacking checks for manila
update hacking checks for manila

Manila hacking checks were picked up in the fork from cinder
and still contain a number of references to cinder.  This
commit cleans up this issue.

Trivial fix.

Change-Id: I3c8eda7f2b57b304616bbe7d1f3e616f7e0504ea

NetApp/manila,vponomaryov/manila,NetApp/manila,bswartz/manila,openstack/manila,vponomaryov/manila,bswartz/manila,openstack/manila