util/liveiso/console.nix: Remove unneeded argument body

Change-Id: Iebd994a46e870e42431d0fc71dd14b1c2b01f9aa
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57536
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

util/liveiso/console.nix

@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
-{ ... }:
-
 {
 	imports = [
 		./common.nix