python312Packages.gb-io: unbreak on Darwin

pkgs/development/python-modules/gb-io/default.nix

···
 {
-  stdenv,
   lib,
   fetchFromGitHub,
   buildPythonPackage,
   rustPlatform,
   cargo,
   rustc,
-  setuptools-rust,
   unittestCheckHook,
 }:
 
···
   pythonImportsCheck = [ "gb_io" ];
 
   meta = with lib; {
-    broken = stdenv.hostPlatform.isDarwin;
     homepage = "https://github.com/althonos/gb-io.py";
     description = "Python interface to gb-io, a fast GenBank parser written in Rust";
     license = licenses.mit;