att_control: remove resetting the attitude setpoint

since the position controller publishes them again already when disarmed.

src/modules/mc_att_control/mc_att_control_main.cpp

@@ -247,13 +247,6 @@ void
 MulticopterAttitudeControl::control_attitude()
 {
 	_v_att_sp_sub.update(&_v_att_sp);
-
-	// reinitialize the setpoint while not armed to make sure no value from the last mode or flight is still kept
-	if (!_v_control_mode.flag_armed) {
-		Quatf().copyTo(_v_att_sp.q_d);
-		Vector3f().copyTo(_v_att_sp.thrust_body);
-	}
-
 	_rates_sp = _attitude_control.update(Quatf(_v_att.q), Quatf(_v_att_sp.q_d), _v_att_sp.yaw_sp_move_rate);
 }