Revert "Group desktop modules"

This reverts commit 278904eec6.

modules/desktop/dmenu-timer.nix

@@ -1,26 +0,0 @@
-{ inputs, ... }:
-
-{
-  flake.modules.homeManager.gui =
-    { pkgs, ... }:
-    {
-      home.packages = [
-        (pkgs.stdenv.mkDerivation rec {
-          pname = "dmenu_timer";
-          version = "unstable";
-
-          src = inputs.bop-scripts;
-
-          dontUnpack = true;
-
-          buildInputs = with pkgs; [ dmenu ];
-
-          installPhase = ''
-            mkdir -p $out/bin
-            cp $src/statusbar/timer $out/bin/${pname}
-            chmod +x $out/bin/${pname}
-          '';
-        })
-      ];
-    };
-}