Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/ted.py

@@ -125,8 +125,6 @@ class TedTalkIE(TedBaseIE):
             ext_url = external.get('code') if service.lower() == 'youtube' else None
             return self.url_result(ext_url or external['uri'])
 
-        self._sort_formats(formats)
-
         thumbnail = playerData.get('thumb') or self._og_search_property('image', webpage)
         if thumbnail:
             # trim thumbnail resize parameters
@@ -215,6 +213,7 @@ class TedPlaylistIE(TedBaseIE):
 
 class TedEmbedIE(InfoExtractor):
     _VALID_URL = r'https?://embed(?:-ssl)?\.ted\.com/'
+    _EMBED_REGEX = [rf'<iframe[^>]+?src=(["\'])(?P<url>{_VALID_URL}.+?)\1']
 
     _TESTS = [{
         'url': 'https://embed.ted.com/talks/janet_stovall_how_to_get_serious_about_diversity_and_inclusion_in_the_workplace',
@@ -233,10 +232,5 @@ class TedEmbedIE(InfoExtractor):
         },
     }]
 
-    @classmethod
-    def _extract_urls(cls, webpage):
-        return [mobj.group('url') for mobj in re.finditer(
-            fr'<iframe[^>]+?src=(["\'])(?P<url>{cls._VALID_URL}.+?)\1', webpage)]
-
     def _real_extract(self, url):
         return self.url_result(re.sub(r'://embed(-ssl)?', '://www', url), TedTalkIE.ie_key())