these overrides were preventing frontend/beast.yaml from selecting the
beast frontend
Fixes: http://tracker.ceph.com/issues/23002
Signed-off-by: Casey Bodley <cbodley@redhat.com>
this makes the 'compression type' setting global to all gateways, and
makes the setting visible to other tasks in ctx.rgw.compression_type
Signed-off-by: Casey Bodley <cbodley@redhat.com>