selftests/mount: remove unneeded conversion to bool

The coccinelle report
./tools/testing/selftests/mount/unprivileged-remount-test.c:285:54-59:
WARNING: conversion to bool not needed here
./tools/testing/selftests/mount/unprivileged-remount-test.c:207:54-59:
WARNING: conversion to bool not needed here
Relational and logical operators evaluate to bool,
explicit conversion is overly verbose and unneeded.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

tools/testing/selftests/mount/unprivileged-remount-test.c

@@ -204,7 +204,7 @@ bool test_unpriv_remount(const char *fstype, const char *mount_options,
 		if (!WIFEXITED(status)) {
 			die("child did not terminate cleanly\n");
 		}
-		return WEXITSTATUS(status) == EXIT_SUCCESS ? true : false;
+		return WEXITSTATUS(status) == EXIT_SUCCESS;
 	}
 
 	create_and_enter_userns();
@@ -282,7 +282,7 @@ static bool test_priv_mount_unpriv_remount(void)
 		if (!WIFEXITED(status)) {
 			die("child did not terminate cleanly\n");
 		}
-		return WEXITSTATUS(status) == EXIT_SUCCESS ? true : false;
+		return WEXITSTATUS(status) == EXIT_SUCCESS;
 	}
 
 	orig_mnt_flags = read_mnt_flags(orig_path);