logging: rename logger for main back to 'cli'
logging: rename logger for main back to 'cli'

gravyboat/streamlink,melmorabity/streamlink,chhe/streamlink,bastimeyer/streamlink,bastimeyer/streamlink,melmorabity/streamlink,wlerin/streamlink,chhe/streamlink,back-to/streamlink,beardypig/streamlink,gravyboat/streamlink,streamlink/streamlink,wlerin/streamlink,beardypig/streamlink,back-to/streamlink,streamlink/streamlink