[#41622189] change simple calls from object.bindings.add to object.listenTo
[#41622189] Switch this.bindings.remove to this.stopListening (in the easy places)
[#41622189] Swap this.bindings.add(anything, "loaded", anything) to this.onceLoaded
[#41622189] Further replace bindings.add/remove with listenTo/StopListening.
[#41622189] hotkeys dont use chorus.BindingGroups