remove home-manager and some old files

hosts/desktop/file.nix

@@ -1,22 +1,17 @@
 { cfg, config, context, pkgs, ... }:
 
 let
-  inherit (config.home) username homeDirectory;
-
   mkSymlinkAttrs = import ../../utils/mkSymlinkAttrs.nix {
     inherit pkgs;
     inherit (cfg) context runtimeRoot;
-    hm = config.lib; # same as: cfg.context.inputs.home-manager.lib.hm;
   };
 
 in
 {
-  imports = [
-    ../graphical/file.nix # import shared configs
-  ];
+  imports = [ ../graphical/file.nix ];
 
   # Symlink per-host ddtfiles
-  home.file = mkSymlinkAttrs {
+  systemd.user.tmpfiles.rules = mkSymlinkAttrs {
     ".config/hypr/hypr-monitors.conf" = {
       source = ../../configs/hypr-desktop/hypr-monitors.conf;
       outOfStoreSymlink = true;