Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/dumpert.py

@@ -1,6 +1,3 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
 from .common import InfoExtractor
 from ..utils import (
     int_or_none,
@@ -51,7 +48,6 @@ class DumpertIE(InfoExtractor):
                 'format_id': version,
                 'quality': quality(version),
             })
-        self._sort_formats(formats)
 
         thumbnails = []
         stills = item.get('stills') or {}