Deleted cross-seed pkg use nixpkgs version instead

pkgs/cross-seed/default.nix

@@ -1,24 +0,0 @@
-{
-  lib,
-  buildNpmPackage,
-  fetchFromGitHub,
-}:
-buildNpmPackage rec {
-  pname = "cross-seed";
-  version = "5.9.2";
-
-  src = fetchFromGitHub {
-    owner = "cross-seed";
-    repo = pname;
-    rev = "v${version}";
-    hash = "sha256-E0AlsFV9RP01YVwjw6ZQ8Lf1IVyuudxrb5oJ61EfIyo=";
-  };
-
-  npmDepsHash = "sha256-hZKLv+bzRFiMjNemydCUC1d7xul7Mm+vOPtCUD7p9XQ=";
-
-  meta = with lib; {
-    description = "cross-seed is an app designed to help you download torrents that you can cross seed based on your existing torrents";
-    homepage = "https://www.cross-seed.org";
-    license = licenses.asl20;
-  };
-}