ceph: Remove CEPH_MSG_DATA_ITER, CEPH_OSD_DATA_TYPE_ITER and helpers

Remove CEPH_MSG_DATA_ITER, CEPH_OSD_DATA_TYPE_ITER and their helpers as
they're no longer used.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Viacheslav Dubeyko <slava@dubeyko.com>
cc: Alex Markuze <amarkuze@redhat.com>
cc: Ilya Dryomov <idryomov@gmail.com>
cc: ceph-devel@vger.kernel.org
5 files changed