desktop: trim packages and use Adwaita

nixos/code.nix

@@ -65,7 +65,7 @@ makeEnable config "myModules.code" true {
   environment.systemPackages = with pkgs;
     [
       # LLM Tools
-      antigravity
+      # antigravity
       claude-code
       codex
       gemini-cli

nixos/desktop.nix

@@ -210,7 +210,7 @@
         pinentry-gnome3
         # mission-center
         quassel
-        remmina
+        # remmina
         rofi
         wofi
         rofi-pass
@@ -246,7 +246,7 @@
             spicetify-cli
             spotify
             tor-browser
-            vscode
+            # vscode
             zulip
           ]
         else []

nixos/home-manager.nix

@@ -341,8 +341,8 @@ in {
     };
 
     theme = {
-      package = pkgs.arc-theme;
-      name = "Arc";
+      package = pkgs.gnome-themes-extra;
+      name = "Adwaita";
     };
 
     gtk4.theme = config.gtk.theme;
@@ -367,7 +367,7 @@ in {
       gtk-menu-images = 1;
       gtk-modules = "colorreload-gtk-module";
       gtk-primary-button-warps-slider = false;
-      gtk-theme-name = "Arc";
+      gtk-theme-name = "Adwaita";
       gtk-toolbar-icon-size = "GTK_ICON_SIZE_LARGE_TOOLBAR";
       gtk-toolbar-style = "GTK_TOOLBAR_BOTH_HORIZ";
       gtk-xft-antialias = 1;