blame: remove obsolete comment

That "someday" in the comment happened two years later in b65982b (Optimize "diff-index --cached" using cache-tree - 2009-05-20) Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nguyễn Thái Ngọc Duy committed Aug 22, 2015 at 08:08 UTC a62bc310bf033f38a23fb80f5ab2c9f6f05cd161
1 file changed -5
builtin/blame.c
-5
@@ -2379,11 +2379,6 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
2379 ce->ce_mode = create_ce_mode(mode);
2380 add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
2381
2382 - /*
2383 - * We are not going to write this out, so this does not matter
2384 - * right now, but someday we might optimize diff-index --cached
2385 - * with cache-tree information.
2386 - */
2382 cache_tree_invalidate_path(&the_index, path);
2383
2384 return commit;