Copter: remove setting of heli_servo_rsc pwm range

This object is not used

ArduCopter/heli.cpp

@@ -16,19 +16,6 @@ static int8_t heli_dynamic_flight_counter;
 // heli_init - perform any special initialisation required for the tradheli
 void Copter::heli_init()
 {
-    /*
-      automatically set H_RSC_MIN and H_RSC_MAX from RC8_MIN and
-      RC8_MAX so that when users upgrade from tradheli version 3.3 to
-      3.4 they get the same throttle range as in previous versions of
-      the code
-     */
-    if (!g.heli_servo_rsc.radio_min.configured()) {
-        g.heli_servo_rsc.radio_min.set_and_save(g.rc_8.radio_min.get());
-    }
-    if (!g.heli_servo_rsc.radio_max.configured()) {
-        g.heli_servo_rsc.radio_max.set_and_save(g.rc_8.radio_max.get());
-    }
-
     // pre-load stab col values as mode is initialized as Stabilize, but stabilize_init() function is not run on start-up.
     input_manager.set_use_stab_col(true);
     input_manager.set_stab_col_ramp(1.0);