[streamable] Update API URL

youtube_dl/extractor/streamable.py

@@ -65,7 +65,7 @@ class StreamableIE(InfoExtractor):
         # to return video info like the title properly sometimes, and doesn't
         # include info like the video duration
         video = self._download_json(
-            'https://streamable.com/ajax/videos/%s' % video_id, video_id)
+            'https://ajax.streamable.com/videos/%s' % video_id, video_id)
 
         # Format IDs:
         # 0 The video is being uploaded