[Glitch] Use the new JSX transform everywhere

Port 8f66126b10 to glitch-soc

app/javascript/flavours/glitch/components/status_prepend.jsx

@@ -1,12 +1,12 @@
 //  Package imports  //
-import React from 'react';
+import { PureComponent } from 'react';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import { FormattedMessage } from 'react-intl';
 import { Icon } from 'flavours/glitch/components/icon';
 import { me } from 'flavours/glitch/initial_state';
 
-export default class StatusPrepend extends React.PureComponent {
+export default class StatusPrepend extends PureComponent {
 
   static propTypes = {
     type: PropTypes.string.isRequired,