Use the new JSX transform (#25064)

app/javascript/mastodon/features/onboarding/components/progress_indicator.jsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import { Fragment } from 'react';
 import PropTypes from 'prop-types';
 import { Check } from 'mastodon/components/check';
 import classNames from 'classnames';
@@ -6,13 +6,13 @@ import classNames from 'classnames';
 const ProgressIndicator = ({ steps, completed }) => (
   <div className='onboarding__progress-indicator'>
     {(new Array(steps)).fill().map((_, i) => (
-      <React.Fragment key={i}>
+      <Fragment key={i}>
         {i > 0 && <div className={classNames('onboarding__progress-indicator__line', { active: completed > i })} />}
 
         <div className={classNames('onboarding__progress-indicator__step', { active: completed > i })}>
           {completed > i && <Check />}
         </div>
-      </React.Fragment>
+      </Fragment>
     ))}
   </div>
 );