Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/box.py

@@ -1,6 +1,3 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
 import json
 
 from .common import InfoExtractor
@@ -82,8 +79,6 @@ class BoxIE(InfoExtractor):
                 'url': update_url_query(authenticated_download_url, query),
             })
 
-        self._sort_formats(formats)
-
         creator = f.get('created_by') or {}
 
         return {