Core/Vehicles: Remove redundant Vehicle::Die. All vehicle auras are already removed on Unit::RemoveAllAurasOnDeath.

Addresses ticket:869 - please reconfirm

src/server/game/Scripting/ScriptMgr.h

@@ -584,9 +584,6 @@ class VehicleScript : public ScriptObject
         // Called after a vehicle is uninstalled.
         virtual void OnUninstall(Vehicle* /*veh*/) { }
 
-        // Called after a vehicle dies.
-        virtual void OnDie(Vehicle* /*veh*/) { }
-
         // Called when a vehicle resets.
         virtual void OnReset(Vehicle* /*veh*/) { }
 
@@ -898,7 +895,6 @@ class ScriptMgr
 
         void OnInstall(Vehicle* veh);
         void OnUninstall(Vehicle* veh);
-        void OnDie(Vehicle* veh);
         void OnReset(Vehicle* veh);
         void OnInstallAccessory(Vehicle* veh, Creature* accessory);
         void OnAddPassenger(Vehicle* veh, Unit* passenger, int8 seatId);