bb-reorder.c: Remove frequencies from comments.

bb-reorder.c: Remove frequencies from comments.

	* bb-reorder.c: Remove frequencies from comments.
	(better_edge_p): Use profile counts.
	(find_traces): Dump profile counts.
	(rotate_loop): Use profile counts.
	(find_traces_1_round): Likewise.
	(connect_better_edge_p): Use counts instead of probabilities for
	reverse walk.
	(copy_bb_p): Drop early check for non-0 frequency.
	(sanitize_hot_paths): Update comments.

From-SVN: r254721