chore: remove unused file

theming/catppuccin-qt5ct.nix

@@ -1,34 +0,0 @@
-{ fetchFromGitHub, flavor ? "Mocha", lib, stdenvNoCC }:
-let
-  validFlavors = [ "Frappe" "Latte" "Macchiato" "Mocha" ];
-  pname = "catppucin-qt5ct";
-in
-lib.checkListOfEnum "${pname}: flavors" validFlavors [ flavor ]
-
-  stdenvNoCC.mkDerivation
-{
-  inherit pname;
-  version = "unstable-2023-10-24";
-
-  src = fetchFromGitHub {
-    owner = "catppuccin";
-    repo = "qt5ct";
-    rev = "89ee948e72386b816c7dad72099855fb0d46d41e";
-    sha256 = "sha256-t/uyK0X7qt6qxrScmkTU2TvcVJH97hSQuF0yyvSO/qQ=";
-  };
-
-  nativeBuildInputs = [ ];
-  buildInputs = [ ];
-
-  postPatch = ''
-    export HOME=$(mktemp -d)
-    cp -r themes/* $HOME/.config/qt5ct/colors/
-  '';
-
-  meta = with lib; {
-    description = "Catppuccin for qt5ct";
-    homepage = "https://github.com/catppuccin/qt5ct";
-    license = licenses.mit;
-    maintainers = with maintainers; [ ];
-  };
-}