ArduCopter: only call init_rc_out() once to avoid losing MOT information

ArduCopter/compassmot.cpp

@@ -122,7 +122,6 @@ MAV_RESULT Copter::mavlink_compassmot(const GCS_MAVLINK &gcs_chan)
     EXPECT_DELAY_MS(5000);
 
     // enable motors and pass through throttle
-    init_rc_out();
     enable_motor_output();
     motors->armed(true);
     hal.util->set_soft_armed(true);

ArduCopter/motor_test.cpp

@@ -150,7 +150,6 @@ MAV_RESULT Copter::mavlink_motor_test_start(const GCS_MAVLINK &gcs_chan, uint8_t
             EXPECT_DELAY_MS(3000);
             // enable and arm motors
             if (!motors->armed()) {
-                init_rc_out();
                 enable_motor_output();
                 motors->armed(true);
                 hal.util->set_soft_armed(true);