feat: add stylix theme

Break Changes:
- May need reconfigure fcitx5 input method

home/user/gtk.nix

@@ -15,15 +15,6 @@ in
       package = pkgs.catppuccin-cursors.macchiatoLavender;
     };
 
-    theme = {
-      name = themeName;
-      package = pkgs.catppuccin-gtk.override {
-        accents = [ "lavender" ];
-        size = "compact";
-        variant = "macchiato";
-      };
-    };
-
     iconTheme = {
       name = "Papirus-Dark";
       package = pkgs.papirus-icon-theme;
@@ -43,14 +34,7 @@ in
   };
 
   home.packages = with pkgs; [
-    libsForQt5.qt5ct
     gsettings-desktop-schemas
     glib
   ];
-
-  qt = {
-    enable = true;
-    style.name = "adwaita-dark";
-    platformTheme.name = "gtk3";
-  };
 }