nixos/waydroid: remove `with lib;` and friends

{ config, lib, pkgs, ... }:

with lib;

let

  cfg = config.virtualisation.waydroid;

  kCfg = config.lib.kernelConfig;

  kernelPackages = config.boot.kernelPackages;

  waydroidGbinderConf = pkgs.writeText "waydroid.conf" ''

    [Protocol]

{

  options.virtualisation.waydroid = {

    enable = mkEnableOption (lib.mdDoc "Waydroid");

    enable = lib.mkEnableOption (lib.mdDoc "Waydroid");

  };

  config = mkIf cfg.enable {

    assertions = singleton {

      assertion = versionAtLeast (getVersion config.boot.kernelPackages.kernel) "4.18";

  config = lib.mkIf cfg.enable {

    assertions = lib.singleton {

      assertion = lib.versionAtLeast (lib.getVersion config.boot.kernelPackages.kernel) "4.18";

      message = "Waydroid needs user namespace support to work properly";

    };

    system.requiredKernelConfig = with config.lib.kernelConfig; [

      (isEnabled "ANDROID_BINDER_IPC")

      (isEnabled "ANDROID_BINDERFS")

      (isEnabled "ASHMEM") # FIXME Needs memfd support instead on Linux 5.18 and waydroid 1.2.1

    system.requiredKernelConfig = [

      (kCfg.isEnabled "ANDROID_BINDER_IPC")

      (kCfg.isEnabled "ANDROID_BINDERFS")

      (kCfg.isEnabled "ASHMEM") # FIXME Needs memfd support instead on Linux 5.18 and waydroid 1.2.1

    ];

    /* NOTE: we always enable this flag even if CONFIG_PSI_DEFAULT_DISABLED is not on