t/helper/test-run-command.c: delete duplicate include

parse-options.h is included more than once.

Signed-off-by: Elia Pinto <gitter.spiros@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/helper/test-run-command.c

@@ -19,7 +19,6 @@
 #include "thread-utils.h"
 #include "wildmatch.h"
 #include "gettext.h"
-#include "parse-options.h"
 
 static int number_callbacks;
 static int parallel_next(struct child_process *cp,