remove extra commentout

src/client/js/components/Admin/ImportData/GrowiArchive/ImportCollectionConfigurationModal.jsx

@@ -3,7 +3,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import { withTranslation } from 'react-i18next';
-// import Modal from 'react-bootstrap/es/Modal';
 import { Modal } from 'reactstrap';
 
 import GrowiArchiveImportOption from '@commons/models/admin/growi-archive-import-option';