FW ALTCTL requires altitude

src/modules/commander/state_machine_helper.cpp

@@ -361,10 +361,8 @@ main_state_transition(struct vehicle_status_s *status, main_state_t new_main_sta
 
 	case commander_state_s::MAIN_STATE_ALTCTL:
 		/* need at minimum altitude estimate */
-		/* TODO: add this for fixedwing as well */
-		if (!status->is_rotary_wing ||
-		    (status_flags->condition_local_altitude_valid ||
-		     status_flags->condition_global_position_valid)) {
+		if (status_flags->condition_local_altitude_valid ||
+		    status_flags->condition_global_position_valid) {
 			ret = TRANSITION_CHANGED;
 		}
 		break;