[biqle] remove unnecessary regex group

youtube_dl/extractor/biqle.py

@@ -42,7 +42,7 @@ class BIQLEIE(InfoExtractor):
         video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
         embed_url = self._proto_relative_url(self._search_regex(
-            r'<iframe.+?src="((?:https?:)?//(?:(?:daxab\.com|dxb\.to|[^/]+/player)/)[^"]+)".*?></iframe>',
+            r'<iframe.+?src="((?:https?:)?//(?:daxab\.com|dxb\.to|[^/]+/player)/[^"]+)".*?></iframe>',
             webpage, 'embed url'))
         if VKIE.suitable(embed_url):
             return self.url_result(embed_url, VKIE.ie_key(), video_id)