services/ui: Remove unused connector argument

ui/views/mus/native_widget_mus.h

Index: ui/views/mus/native_widget_mus.h
diff --git a/ui/views/mus/native_widget_mus.h b/ui/views/mus/native_widget_mus.h
index 06360fdf317b8a0230323c0b75f4b387ea8b4ac3..2e50183eeb6e711085c4807a1523a922a807da34 100644
--- a/ui/views/mus/native_widget_mus.h
+++ b/ui/views/mus/native_widget_mus.h
@@ -41,10 +41,6 @@ enum class EventResult;
 }
 }
 
-namespace shell {
-class Connector;
-}
-
 namespace ui {
 class Event;
 }
@@ -71,7 +67,6 @@ class VIEWS_MUS_EXPORT NativeWidgetMus
       public NON_EXPORTED_BASE(ui::InputEventHandler) {
  public:
   NativeWidgetMus(internal::NativeWidgetDelegate* delegate,
-                  shell::Connector* connector,
                   ui::Window* window,
                   ui::mojom::SurfaceType surface_type);
   ~NativeWidgetMus() override;