gotenberg: remove chromium and libreoffice again (#500766)

      --set PDFCPU_BIN_PATH "${getExe pdfcpu}" \

      --set PDFTK_BIN_PATH "${getExe pdftk}" \

      --set QPDF_BIN_PATH "${getExe qpdf}" \

      --set UNOCONVERTER_BIN_PATH "${getExe unoconv}" \

      --set CHROMIUM_BIN_PATH "${getExe chromium}" \

      --set LIBREOFFICE_BIN_PATH "${libreoffice'}"

      --set UNOCONVERTER_BIN_PATH "${getExe unoconv}"

  '';

  passthru.updateScript = nix-update-script { };