[Glitch] Use the new JSX transform everywhere

Port 8f66126b10 to glitch-soc

app/javascript/flavours/glitch/features/local_settings/page/item/index.jsx

@@ -1,11 +1,11 @@
 //  Package imports
-import React from 'react';
+import { PureComponent } from 'react';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 
 //  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 
-export default class LocalSettingsPageItem extends React.PureComponent {
+export default class LocalSettingsPageItem extends PureComponent {
 
   static propTypes = {
     children: PropTypes.node.isRequired,