nixos/services.opentracker: remove `with lib;`

  pkgs,

  ...

}:

with lib;

let

  cfg = config.services.opentracker;

in

{

  options.services.opentracker = {

    enable = mkEnableOption "opentracker";

    enable = lib.mkEnableOption "opentracker";

    package = mkPackageOption pkgs "opentracker" { };

    package = lib.mkPackageOption pkgs "opentracker" { };

    extraOptions = mkOption {

      type = types.separatedString " ";

    extraOptions = lib.mkOption {

      type = lib.types.separatedString " ";

      description = ''

        Configuration Arguments for opentracker

        See https://erdgeist.org/arts/software/opentracker/ for all params