Fix lint

frontend/src/metabase/admin/settings/components/SettingsBatchForm.jsx

@@ -2,7 +2,6 @@ import React, { Component } from "react";
 import PropTypes from "prop-types";
 
 import _ from "underscore";
-import cx from "classnames";
 
 import Collapse from "react-collapse";
 import { t } from "c-3po";

frontend/src/metabase/admin/settings/components/SettingsEmailForm.jsx

 import React, { Component } from "react";
 import PropTypes from "prop-types";
 import { t } from "c-3po";
-import cx from "classnames";
 
 import Button from "metabase/components/Button";
 

frontend/src/metabase/admin/settings/components/SettingsSlackForm.jsx

@@ -9,7 +9,6 @@ import Icon from "metabase/components/Icon.jsx";
 
 import RetinaImage from "react-retina-image";
 
-import cx from "classnames";
 import _ from "underscore";
 import { t, jt } from "c-3po";
 

frontend/src/metabase/components/ButtonWithStatus.jsx

 import React, { Component } from "react";
-import cx from "classnames";
 import { t } from "c-3po";
 
 import Button from "metabase/components/Button";