Remove player-url in tweakers.py

Player-url only needed for rmftp, not for regular URLs

youtube_dl/extractor/tweakers.py

@@ -37,5 +37,4 @@ def _real_extract(self, url):
             'ext': 'mp4',
             'title': title,
             'url': re.findall('http.*mp4', player_page)[0],
-            'player_url': player_url
         }