revert: use OPT_NOOP_NOARG

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/revert.c

@@ -72,12 +72,10 @@ static int option_parse_x(const struct option *opt,
 static void parse_args(int argc, const char **argv)
 {
 	const char * const * usage_str = revert_or_cherry_pick_usage();
-	int noop;
 	struct option options[] = {
 		OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"),
 		OPT_BOOLEAN('e', "edit", &edit, "edit the commit message"),
-		{ OPTION_BOOLEAN, 'r', NULL, &noop, NULL, "no-op (backward compatibility)",
-		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 0 },
+		OPT_NOOP_NOARG('r', NULL),
 		OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
 		OPT_INTEGER('m', "mainline", &mainline, "parent number"),
 		OPT_RERERE_AUTOUPDATE(&allow_rerere_auto),