packaging: remove RPM defattr setting
packaging: remove RPM defattr setting

The %defattr setting in the %files list is only necessary for very old
versions of RPM.  For RHEL 6 and later, it's fine to leave it out.

Signed-off-by: Ken Dreyer <940dddfbf8b0685439b7ecf27daa0ba58b359a2c@redhat.com>

ceph/radosgw-agent,ceph/radosgw-agent