plugins.livestream: Fix player URL
plugins.livestream: Fix player URL

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