remove unused function and variable

src/maneuver.cpp

@@ -66,10 +66,6 @@ void apply_custom_burn(Spacecraft* craft, Vec3 delta_v_local) {
     craft->global_velocity = vec3_add(craft->global_velocity, delta_v_local);
 }
 
-double calculate_orbital_velocity(Spacecraft* craft, double parent_mass) {
-    return vec3_magnitude(craft->local_velocity);
-}
-
 bool check_maneuver_trigger(Maneuver* maneuver, Spacecraft* craft, SimulationState* sim) {
     switch (maneuver->trigger_type) {
         case TRIGGER_TIME:
@@ -95,8 +91,6 @@ bool check_maneuver_trigger(Maneuver* maneuver, Spacecraft* craft, SimulationSta
                 return false;
             }
 
-            Vec3 h_unit = vec3_scale(h, 1.0 / h_mag);
-
             Vec3 e_vec = {0.0, 0.0, 0.0};
             double mu = 0.0;
 

src/maneuver.h

@@ -49,7 +49,4 @@ void apply_custom_burn(Spacecraft* craft, Vec3 delta_v_local);
 bool check_maneuver_trigger(Maneuver* maneuver, Spacecraft* craft, SimulationState* sim);
 void execute_maneuver(Maneuver* maneuver, Spacecraft* craft, double current_time);
 
-// Utility functions
-double calculate_orbital_velocity(Spacecraft* craft, double parent_mass);
-
 #endif