message: Remove old comment
  Was it even correct? It finds a point where `mine()` is non-zero.
diff: @@ -72,7 +72,6 @@ static void validateMineLocation(Point_2d& pt, TileArray& ta)
  {
  if (ta[0][pt.y()][pt.x()].mine())
  {
  - //search around the tile for an empty spot
  for (const auto& direction : DirectionScan323)
  {
  const auto point = pt + direction;
  