more linting fixes

frontend/src/BookFile/Editor/BookFileEditorTableContent.js

@@ -2,14 +2,9 @@ import _ from 'lodash';
 import PropTypes from 'prop-types';
 import React, { Component } from 'react';
 import SelectInput from 'Components/Form/SelectInput';
-import Button from 'Components/Link/Button';
 import SpinnerButton from 'Components/Link/SpinnerButton';
 import LoadingIndicator from 'Components/Loading/LoadingIndicator';
 import ConfirmModal from 'Components/Modal/ConfirmModal';
-import ModalBody from 'Components/Modal/ModalBody';
-import ModalContent from 'Components/Modal/ModalContent';
-import ModalFooter from 'Components/Modal/ModalFooter';
-import ModalHeader from 'Components/Modal/ModalHeader';
 import Table from 'Components/Table/Table';
 import TableBody from 'Components/Table/TableBody';
 import { kinds } from 'Helpers/Props';