(svn r20474) -Cleanup: remove some unused code

src/pathfinder/npf/npf.cpp

@@ -124,15 +124,6 @@ static uint NPFDistanceTrack(TileIndex t0, TileIndex t1)
 	return diagTracks * NPF_TILE_LENGTH + straightTracks * NPF_TILE_LENGTH * STRAIGHT_TRACK_LENGTH;
 }
 
-
-#if 0
-static uint NTPHash(uint key1, uint key2)
-{
-	/* This function uses the old hash, which is fixed on 10 bits (1024 buckets) */
-	return PATHFIND_HASH_TILE(key1);
-}
-#endif
-
 /**
  * Calculates a hash value for use in the NPF.
  * @param key1 The TileIndex of the tile to hash