cli: Revert Twitch OAuth callback URL change.
cli: Revert Twitch OAuth callback URL change.

caorong/livestreamer,Masaz-/livestreamer,hmit/livestreamer,fishscene/streamlink,flijloku/livestreamer,chhe/livestreamer,caorong/livestreamer,Saturn/livestreamer,chhe/livestreamer,hmit/livestreamer,gtmanfred/livestreamer,Saturn/livestreamer,programming086/livestreamer,charmander/livestreamer,derrod/livestreamer,intact/livestreamer,bastimeyer/streamlink,lyhiving/livestreamer,ethanhlc/streamlink,sbstp/streamlink,lyhiving/livestreamer,blxd/livestreamer,chhe/streamlink,streamlink/streamlink,fishscene/streamlink,sbstp/streamlink,Masaz-/livestreamer,ethanhlc/streamlink,Dobatymo/livestreamer,javiercantero/streamlink,melmorabity/streamlink,back-to/streamlink,wolftankk/livestreamer,Klaudit/livestreamer,streamlink/streamlink,gravyboat/streamlink,flijloku/livestreamer,mmetak/streamlink,Klaudit/livestreamer,chhe/streamlink,bastimeyer/streamlink,beardypig/streamlink,gtmanfred/livestreamer,Feverqwe/livestreamer,derrod/livestreamer,mmetak/streamlink,programming086/livestreamer,charmander/livestreamer,jtsymon/livestreamer,jtsymon/livestreamer,intact/livestreamer,gravyboat/streamlink,okaywit/livestreamer,chrippa/livestreamer,back-to/streamlink,javiercantero/streamlink,wolftankk/livestreamer,blxd/livestreamer,beardypig/streamlink,wlerin/streamlink,Dobatymo/livestreamer,Feverqwe/livestreamer,okaywit/livestreamer,wlerin/streamlink,melmorabity/streamlink,chrippa/livestreamer