Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/coub.py

@@ -1,6 +1,3 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
 from .common import InfoExtractor
 from ..utils import (
     ExtractorError,
@@ -107,8 +104,6 @@ class CoubIE(InfoExtractor):
                 'source_preference': preference_key(MOBILE),
             })
 
-        self._sort_formats(formats)
-
         thumbnail = coub.get('picture')
         duration = float_or_none(coub.get('duration'))
         timestamp = parse_iso8601(coub.get('published_at') or coub.get('created_at'))