ocamlPackages.dune-configurator: revert last commit

{ lib, buildDunePackage, dune_3, csexp }:

{ lib, buildDunePackage, dune_2, csexp, result }:

buildDunePackage rec {

  pname = "dune-configurator";

  inherit (dune_3) src version;

  inherit (dune_2) src version patches;

  # This fixes finding csexp

  postPatch = ''

    rm -rf ./vendor

  '';

  duneVersion = "2";

  minimumOCamlVersion = "4.04";

  minimalOCamlVersion = "4.03";

  duneVersion = "3";

  dontAddPrefix = true;

  propagatedBuildInputs = [ csexp ];

  propagatedBuildInputs = [ csexp result ];

  meta = with lib; {

    description = "Helper library for gathering system configuration";