add -i: do not dump patch during application

Remove a debugging print that snuck in at 7a26e65 (Revert
"git-add--interactive: remove hunk coalescing", 2009-05-16).

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-add--interactive.perl

@@ -1317,7 +1317,6 @@ sub patch_update_file {
 		open $fh, '| git apply --cached --recount';
 		for (@{$head->{TEXT}}, @result) {
 			print $fh $_;
-			print STDERR $_;
 		}
 		if (!close $fh) {
 			for (@{$head->{TEXT}}, @result) {