Remove _sort_formats from _extract_*_formats methods

Now _sort_formats should be called explicitly.
_sort_formats has been added to all the necessary places in code.

Closes #8051

youtube_dl/extractor/cwtv.py

@@ -57,6 +57,7 @@ class CWTVIE(InfoExtractor):
 
         formats = self._extract_m3u8_formats(
             video_data['videos']['variantplaylist']['uri'], video_id, 'mp4')
+        self._sort_formats(formats)
 
         thumbnails = [{
             'url': image['uri'],