object detection: rabbitmq support for task

opencv-yolo/web/web_rabbit.py

@@ -357,7 +357,6 @@ def video_analysis(data):
         mc.username_pw_set(username=MQTT_USER,password=MQTT_PASSWORD)
     mc.connect(MQTT_HOST, MQTT_PORT)
     mc.publish('video.ai/v1.0/result', json.dumps(ret), qos=1)
-    print("connecting rabbitmq {}".format(RABBITMQ_URI))
     # rabbitmq
     if RABBITMQ_URI:
         parameters = pika.URLParameters(RABBITMQ_URI)