We add declarative flatpak file

hosts/nixos/home/partials/gnome/dconf.nix

@@ -48,8 +48,8 @@ with lib.hm.gvariant;
 
       "org/gnome/desktop/background" = {
         picture-options = "zoom";
-        picture-uri = "file://" + ./WhiteHair.jpg;
-        picture-uri-dark = "file://" + ./WhiteHair.jpg;
+        picture-uri = "file://" + ./walls.jpg;
+        picture-uri-dark = "file://" + ./walls.jpg;
       };
 
       "org/gnome/shell/extensions/dash-to-panel" = {

hosts/nixos/home/partials/xdg.nix

@@ -1,22 +0,0 @@
-{ ... }:
-
-{
-  xdg = {
-    userDirs = {
-      enable = true;
-      createDirectories = true;
-    };
-    desktopEntries = {
-      rust-rover = {
-        name = "RustRover";
-        comment = "Rust IDE from JetBrains";
-        genericName = "Rust IDE from JetBrains";
-        exec = "rust-rover";
-        terminal = false;
-        icon = "rustrover";
-        type = "Application";
-        categories = [ "Development" ];
-      };
-    };
-  };
-}