Loop
                                
                                
                                
                                    Loop copied to clipboard
                            
                            
                            
                        Remove Old Feedback signature in favour of new.
At this point I do not see a value having two sightly different implementation of the same thing.
I proposing to remove old system operator that takes scheduler in favour of new queue-drain event processing.
FeedbackLoop.Feedback -> Feedback
We could have them staying a bit longer, just so existing users dont need to migrate everything all together.
#7 makes FeedbackLoop.Feedback terser as Loop.Feedback.