dont expose addchild to lua anymore (single use case eliminated)

src/ActorFrame.cpp

@@ -792,19 +792,6 @@ class LunaActorFrame : public Luna<ActorFrame>
 		p->SetLightDirection(vTmp);
 		COMMON_RETURN_SELF;
 	}
-
-	static int AddChild(T* p, lua_State* L)
-	{
-		if (lua_isnoneornil(L, 1)) {
-			lua_pushboolean(L, 0);
-			return 1;
-		} 
-		Actor* pActor = Luna<Actor>::check(L, 1);
-		p->AddChild(pActor);
-		lua_pushboolean(L, 1);
-		return 1;
-	}
-
 	static int AddChildFromPath(T* p, lua_State* L)
 	{
 		// this one is tricky, we need to get an Actor from Lua.
@@ -858,7 +845,6 @@ class LunaActorFrame : public Luna<ActorFrame>
 		ADD_METHOD(SetDiffuseLightColor);
 		ADD_METHOD(SetSpecularLightColor);
 		ADD_METHOD(SetLightDirection);
-		ADD_METHOD(AddChild);
 		ADD_METHOD(AddChildFromPath);
 		ADD_METHOD(RemoveChild);
 		ADD_METHOD(RemoveAllChildren);