nixos/dbus: Remove socketActivated option removal warning

# D-Bus configuration and system bus daemon.

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

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

with lib;

        '';

        default = "disabled";

      };

      socketActivated = mkOption {

        type = types.nullOr types.bool;

        default = null;

        visible = false;

        description = lib.mdDoc ''

          Removed option, do not use.

        '';

      };

    };

  };

  ###### implementation

  config = mkIf cfg.enable {

    warnings = optional (cfg.socketActivated != null) (

      let

        files = showFiles options.services.dbus.socketActivated.files;

      in

        "The option 'services.dbus.socketActivated' in ${files} no longer has"

        + " any effect and can be safely removed: the user D-Bus session is"

        + " now always socket activated."

    );

    environment.systemPackages = [ pkgs.dbus.daemon pkgs.dbus ];

    environment.etc."dbus-1".source = configDir;