[Glitch] Use the new JSX transform everywhere

Port 8f66126b10 to glitch-soc

app/javascript/flavours/glitch/features/account/components/action_bar.jsx

@@ -1,10 +1,10 @@
-import React from 'react';
+import { PureComponent } from 'react';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import { NavLink } from 'react-router-dom';
 import { FormattedMessage, FormattedNumber } from 'react-intl';
 import { Icon } from 'flavours/glitch/components/icon';
 
-class ActionBar extends React.PureComponent {
+class ActionBar extends PureComponent {
 
   static propTypes = {
     account: ImmutablePropTypes.map.isRequired,