nixos/kmscon: revert `hwRender` option (#502952)

      package = mkPackageOption pkgs "kmscon" { };

      hwRender = mkEnableOption "hardware acceleration + DRM backend";

      hwRender = mkEnableOption "3D hardware acceleration to render the console";

      fonts = mkOption {

        description = "Fonts used by kmscon, in order of priority.";

            "--"

            loginScript

          ]

        ))

      ];

            ) config.services.xserver.xkb

          )

        );

        render =

          if cfg.hwRender then

            [

        render = optionals cfg.hwRender [

          "drm"

          "hwaccel"

            ]

          else

            [ "no-drm" ];

        ];

        fonts =

          optional (cfg.fonts != null)

            "font-name=${lib.concatMapStringsSep ", " (f: f.name) cfg.fonts}";