Change referrer policy to be controlled by header in web UI (#33214)

app/javascript/mastodon/features/notifications/components/report.jsx

@@ -55,7 +55,7 @@ class Report extends ImmutablePureComponent {
           </div>
 
           <div className='notification__report__actions'>
-            <a href={`/admin/reports/${report.get('id')}`} className='button' target='_blank' rel='noopener noreferrer'>{intl.formatMessage(messages.openReport)}</a>
+            <a href={`/admin/reports/${report.get('id')}`} className='button' target='_blank' rel='noopener'>{intl.formatMessage(messages.openReport)}</a>
           </div>
         </div>
       </div>