message: Inline and remove single use type alias
diff: @@ -102,8 +102,6 @@ protected:
  std::vector<std::vector<MouseMapRegion>> mMouseMap;
  private:
  - using TileArray = std::vector<Tile>;
  -
  void buildMouseMap();
  void buildTerrainMap(const std::string& path);
  void setupMines(int, Planet::Hostility);
  @@ -117,7 +115,7 @@ private:
  const NAS2D::Vector<int> mSizeInTiles;
  const int mMaxDepth = 0;
  - TileArray mTileMap;
  + std::vector<Tile> mTileMap;
  Point2dList mMineLocations;
  std::string mMapPath;
  