Fix traffic_ops_ort.pl checking cache status (#4597)
Fix traffic_ops_ort.pl checking cache status (#4597)

ORT was exiting with this error:

  Not a HASH reference at /opt/ort/traffic_ops_ort.pl line 836.

Because the JSON returned from atstccfg is not wrapped in a "response"
object. This fixes that error.
hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol,hbeatty/incubator-trafficcontrol