Retire diffcore-pathspec.

Nobody except diff-stages used it -- the callers instead filtered
the input to diffcore themselves.  Make diff-stages do that as
well and retire diffcore-pathspec.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/diff.c b/diff.c
index 30e4d50b9..2fa285a8e 100644
--- a/diff.c
+++ b/diff.c
@@ -1375,8 +1375,6 @@ static void diffcore_apply_filter(const char *filter)
 
 void diffcore_std(struct diff_options *options)
 {
-	if (options->paths && options->paths[0])
-		diffcore_pathspec(options->paths);
 	if (options->break_opt != -1)
 		diffcore_break(options->break_opt);
 	if (options->detect_rename)