Remove undocumented -h (help) option

The -h option was not supported by many tools, and not documented, so
remove them for consistency from pg_upgrade, pg_test_fsync, and
pg_test_timing.

contrib/pg_test_fsync/pg_test_fsync.c

@@ -146,8 +146,7 @@ handle_args(int argc, char *argv[])
 
 	if (argc > 1)
 	{
-		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0 ||
-			strcmp(argv[1], "-?") == 0)
+		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
 		{
 			printf("Usage: %s [-f FILENAME] [-s SECS-PER-TEST]\n", progname);
 			exit(0);

contrib/pg_test_timing/pg_test_timing.c

@@ -49,8 +49,7 @@ handle_args(int argc, char *argv[])
 
 	if (argc > 1)
 	{
-		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0 ||
-			strcmp(argv[1], "-?") == 0)
+		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
 		{
 			printf("Usage: %s [-d DURATION]\n", progname);
 			exit(0);

src/bin/pg_ctl/pg_ctl.c

@@ -2002,13 +2002,12 @@ main(int argc, char **argv)
 	/* support --help and --version even if invoked as root */
 	if (argc > 1)
 	{
-		if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0 ||
-			strcmp(argv[1], "-?") == 0)
+		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
 		{
 			do_help();
 			exit(0);
 		}
-		else if (strcmp(argv[1], "-V") == 0 || strcmp(argv[1], "--version") == 0)
+		else if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
 		{
 			puts("pg_ctl (PostgreSQL) " PG_VERSION);
 			exit(0);

src/bin/psql/startup.c

@@ -558,7 +558,7 @@ parse_psql_options(int argc, char *argv[], struct adhoc_opts * options)
 				break;
 			case '?':
 				/* Actual help option given */
-				if (strcmp(argv[optind - 1], "-?") == 0 || strcmp(argv[optind - 1], "--help") == 0)
+				if (strcmp(argv[optind - 1], "--help") == 0 || strcmp(argv[optind - 1], "-?") == 0)
 				{
 					usage();
 					exit(EXIT_SUCCESS);