http: Fix comments, remove optional methods which don't work
http: Fix comments, remove optional methods which don't work

olihey/rclone,seuffert/rclone,ncw/rclone,seuffert/rclone,olihey/rclone,seuffert/rclone,yonjah/rclone,ncw/rclone,yonjah/rclone,olihey/rclone,ncw/rclone,yonjah/rclone,olihey/rclone,B4dM4n/rclone,B4dM4n/rclone,yonjah/rclone,B4dM4n/rclone,seuffert/rclone,ncw/rclone,B4dM4n/rclone