Delete src/rotate_column.c

src/rotate_column.c

@@ -1,10 +0,0 @@
-// rotate tiles in brick by 1
-int rotate_col (void)
-{
-	int temp;
-	temp = tile_current[0];
-	tile_current[0] = tile_current[1];
-	tile_current[1] = tile_current[2];
-	tile_current[2] = temp;
-	return 0;
-}