fix: removed extra param

Author: jawad-khan

lms/djangoapps/discussion/rest_api/discussions_notifications.py

@@ -373,7 +373,7 @@ def send_reported_content_notification(self):
         ]}
         self._send_course_wide_notification("content_reported", audience_filters, context)
 
-    def _populate_context_with_ids_for_mobile(self, context, additional_context=False):
+    def _populate_context_with_ids_for_mobile(self, context):
         context['thread_id'] = self.thread.id
         context['topic_id'] = self.thread.commentable_id
         context['comment_id'] = self.comment_id