[mtv] Use native hls by default

youtube_dl/extractor/mtv.py

@@ -90,7 +90,8 @@ class MTVServicesInfoExtractor(InfoExtractor):
         for rendition in mdoc.findall('.//rendition'):
             if rendition.get('method') == 'hls':
                 hls_url = rendition.find('./src').text
-                formats.extend(self._extract_m3u8_formats(hls_url, video_id, ext='mp4'))
+                formats.extend(self._extract_m3u8_formats(
+                    hls_url, video_id, ext='mp4', entry_protocol='m3u8_native'))
             else:
                 # fms
                 try: