Fix lint errors

frontend/src/metabase/admin/permissions/containers/CollectionPermissionsModal.jsx

@@ -7,7 +7,6 @@ import Button from "metabase/components/Button";
 import Link from "metabase/components/Link";
 import PermissionsGrid from "../components/PermissionsGrid.jsx";
 import fitViewport from "metabase/hoc/FitViewPort";
-import LoadingAndErrorWrapper from "metabase/components/LoadingAndErrorWrapper";
 
 import { CollectionsApi } from "metabase/services";
 import Collections from "metabase/entities/collections";
@@ -19,7 +18,6 @@ import {
   getDiff,
 } from "../selectors";
 import { initialize, updatePermission, savePermissions } from "../permissions";
-import { goBack, push } from "react-router-redux";
 
 const mapStateToProps = (state, props) => {
   return {

frontend/src/metabase/components/CollectionLanding.jsx

@@ -23,7 +23,6 @@ import Subhead from "metabase/components/Subhead";
 import Ellipsified from "metabase/components/Ellipsified";
 import VirtualizedList from "metabase/components/VirtualizedList";
 
-import CollectionListLoader from "metabase/containers/CollectionListLoader";
 import CollectionLoader from "metabase/containers/CollectionLoader";
 import CollectionMoveModal from "metabase/containers/CollectionMoveModal";
 import { entityListLoader } from "metabase/entities/containers/EntityListLoader";

frontend/src/metabase/containers/CollectionMoveModal.jsx

@@ -11,7 +11,6 @@ import Icon from "metabase/components/Icon";
 
 import CollectionListLoader from "metabase/containers/CollectionListLoader";
 import CollectionPicker from "metabase/containers/CollectionPicker";
-import { ROOT_COLLECTION } from "metabase/entities/collections";
 
 class CollectionMoveModal extends React.Component {
   state = {