uORB remove unnecessary priority from each subscriber

src/modules/uORB/uORBDeviceNode.cpp

@@ -123,9 +123,6 @@ uORB::DeviceNode::open(cdev::file_t *filp)
 		/* If there were any previous publications, allow the subscriber to read them */
 		sd->generation = _generation - (_queue_size < _generation ? _queue_size : _generation);
 
-		/* set priority */
-		sd->set_priority(_priority);
-
 		FILE_PRIV(filp) = (void *)sd;
 
 		ret = CDev::open(filp);
@@ -215,9 +212,6 @@ uORB::DeviceNode::read(cdev::file_t *filp, char *buffer, size_t buflen)
 		++sd->generation;
 	}
 
-	/* set priority */
-	sd->set_priority(_priority);
-
 	/*
 	 * Clear the flag that indicates that an update has been reported, as
 	 * we have just collected it.
@@ -362,7 +356,7 @@ uORB::DeviceNode::ioctl(cdev::file_t *filp, int cmd, unsigned long arg)
 		return PX4_OK;
 
 	case ORBIOCGPRIORITY:
-		*(int *)arg = sd->priority();
+		*(int *)arg = get_priority();
 		return PX4_OK;
 
 	case ORBIOCSETQUEUESIZE: