chore: fix unnecessary and not available pkgs, cleaning

modules/nixos/desktops/themes/catppuccin.nix

@@ -0,0 +1,64 @@
+{ lib, pkgs, user, ... }: {
+  # Catppuccin theme configuration
+  # Soothing pastel theme for both GTK and Qt applications
+  # Works with KDE Plasma, Hyprland, and other desktop environments
+
+  # System packages: Theme engines and Catppuccin themes
+  environment.systemPackages = with pkgs; [
+    libsForQt5.qtstyleplugin-kvantum # Kvantum Qt theme engine
+    qt6Packages.qtstyleplugin-kvantum # Kvantum for Qt6
+    catppuccin-kvantum # Catppuccin theme for Kvantum
+    catppuccin-cursors # Catppuccin cursor theme
+  ];
+
+  home-manager.users.${user} = {
+    # GTK theming - Catppuccin Mocha variant
+    gtk = {
+      enable = true;
+      theme = {
+        name = "Catppuccin-Mocha-Standard-Blue-Dark";
+        package = pkgs.catppuccin-gtk.override {
+          accents = [
+            "blue"
+          ]; # Options: blue, flamingo, green, lavender, maroon, mauve, peach, pink, red, rosewater, sapphire, sky, teal, yellow
+          size = "standard"; # Options: standard, compact
+          variant = "mocha"; # Options: latte, frappe, macchiato, mocha
+        };
+      };
+
+      # GTK icon theme
+      iconTheme = {
+        name = "Papirus-Dark";
+        package = pkgs.papirus-icon-theme;
+      };
+    };
+
+    # Qt theming - Catppuccin via Kvantum
+    qt = {
+      enable = true;
+      platformTheme.name = "kvantum";
+      style.name = "kvantum";
+    };
+
+    # Kvantum configuration
+    xdg.configFile."Kvantum/kvantum.kvconfig".text = ''
+      [General]
+      theme=Catppuccin-Mocha-Blue
+    '';
+
+    # Cursor theme
+    home.pointerCursor = {
+      name = "catppuccin-mocha-blue-cursors";
+      package = pkgs.catppuccin-cursors.mochaBlue;
+      size = 24;
+      gtk.enable = true;
+      x11.enable = true;
+    };
+
+    # XDG user directories for desktop environments
+    xdg.userDirs = {
+      enable = true;
+      createDirectories = true;
+    };
+  };
+}