Copter: sport - fix call to relax_alt_hold_controller

ArduCopter/control_sport.cpp

@@ -36,7 +36,7 @@ void Copter::sport_run()
     if (!motors.armed() || ap.throttle_zero || !motors.get_interlock()) {
         motors.set_desired_spool_state(AP_Motors::DESIRED_SPIN_WHEN_ARMED);
         attitude_control.set_throttle_out_unstabilized(0,true,g.throttle_filt);
-        pos_control.relax_alt_hold_controllers(get_throttle_pre_takeoff(channel_throttle->get_control_in())-motors.get_throttle_hover());
+        pos_control.relax_alt_hold_controllers(0.0f);
         return;
     }
 
@@ -99,7 +99,7 @@ void Copter::sport_run()
         }
         // move throttle to between minimum and non-takeoff-throttle to keep us on the ground
         attitude_control.set_throttle_out(get_throttle_pre_takeoff(channel_throttle->get_control_in()),false,g.throttle_filt);
-        pos_control.relax_alt_hold_controllers(get_throttle_pre_takeoff(channel_throttle->get_control_in())-motors.get_throttle_hover());
+        pos_control.relax_alt_hold_controllers(0.0f);
     }else{
         // set motors to full range
         motors.set_desired_spool_state(AP_Motors::DESIRED_THROTTLE_UNLIMITED);