remove warnx in set_rc_scan_state

src/drivers/px4fmu/fmu.cpp

@@ -673,7 +673,7 @@ void PX4FMU::fill_rc_in(uint16_t raw_rc_count,
 
 void PX4FMU::set_rc_scan_state(RC_SCAN newState)
 {
-    warnx("RCscan: %s failed, trying %s", PX4FMU::RC_SCAN_STRING[_rc_scan_state], PX4FMU::RC_SCAN_STRING[newState]);
+//    warnx("RCscan: %s failed, trying %s", PX4FMU::RC_SCAN_STRING[_rc_scan_state], PX4FMU::RC_SCAN_STRING[newState]);
     _rc_scan_begin = 0;
     _rc_scan_state = newState;
 }