message: Remove unused unpacked overload of WindowStack::updateStack
diff: @@ -20,7 +20,6 @@ public:
  bool pointInWindow(const NAS2D::Point<int>& point) const;
  void updateStack(const NAS2D::Point<int>& point);
  - void updateStack(int x, int y) { updateStack({x, y}); }
  void bringToFront(Window* window);
  