Remove patching of Ceilometer Agent

This is not needed anymore, current stable/grizzly branch has the
fix:

https://review.openstack.org/#/c/39483/
Adjust Proposal defaults to changed Nova roles

Nova roles were renamed to have a hypervisor suffix.
Install ceilometerclient on server
Merge pull request #13 from dirkmueller/suse_ceilometer

Suse ceilometer