Removed hook for displayout widgets

IPython/core/displayhook.py

@@ -241,9 +241,6 b' class DisplayHook(Configurable):'
         """
         self.check_for_underscore()
         if result is not None and not self.quiet():
-            if hasattr(result, '_repr_widget_'):
-                result._repr_widget_()
-            else:
                 self.start_displayhook()
                 self.write_output_prompt()
                 format_dict, md_dict = self.compute_format_data(result)