commander: remove unnecessary output (navigator already does the output)

src/modules/commander/commander.cpp

@@ -1316,7 +1316,6 @@ int commander_thread_main(int argc, char *argv[])
 				/* this will only trigger if geofence is activated via param and a geofence file is present, also there is a circuit breaker to disable the actual flight termination in the px4io driver */
 				armed.force_failsafe = true;
 				status_changed = true;
-			mavlink_log_emergency(mavlink_fd, "Geofence violated: terminating");
 			} // no reset is done here on purpose, on geofence violation we want to stay in flighttermination
 		}