plugins.livestream: Support old player urls
plugins.livestream: Support old player urls

fishscene/streamlink,sbstp/streamlink,streamlink/streamlink,beardypig/streamlink,gravyboat/streamlink,gravyboat/streamlink,ethanhlc/streamlink,ethanhlc/streamlink,back-to/streamlink,melmorabity/streamlink,beardypig/streamlink,javiercantero/streamlink,javiercantero/streamlink,wlerin/streamlink,mmetak/streamlink,chhe/streamlink,bastimeyer/streamlink,back-to/streamlink,streamlink/streamlink,wlerin/streamlink,mmetak/streamlink,bastimeyer/streamlink,sbstp/streamlink,melmorabity/streamlink,fishscene/streamlink,chhe/streamlink