fs: ext4: Removed undeclared and totally unknown function call.

		return 0;

	}

#ifdef CONFIG_FS_VERITY

	case FS_IOC_READ_VERITY_METADATA:

/*	case FS_IOC_READ_VERITY_METADATA:

		if (!ext4_has_feature_verity(sb))

			return -EOPNOTSUPP;

		return fsverity_ioctl_read_metadata(filp,

						    (const void __user *)arg);

						    (const void __user *)arg); */

#endif

	default:

		return -ENOTTY;