gitweb: Do not remove signoff lines in git_print_simplified_log

Remove '-remove_signoff => 1' option to git_print_log call in the
git_print_simplified_log subroutine.  This means that in "log" and
"commitdiff" views (git_log and git_commitdiff subroutines) signoff
lines will be shown.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

gitweb/gitweb.perl

@@ -1432,7 +1432,6 @@ sub git_print_simplified_log {
 
 	git_print_log($log,
 		-final_empty_line=> 1,
-		-remove_signoff => 1,
 		-remove_title => $remove_title);
 }