message: Remove now unused unpacked overload of `Planet::position`
diff: @@ -53,7 +53,6 @@ public:
  NAS2D::Point<int> position() const { return mPosition; }
  void position(const NAS2D::Point<int>& point) { mPosition = point; }
  - void position(int x, int y) { mPosition = {x, y}; }
  const Attributes& attributes() const { return mAttributes; }
  