code: def delete(self):
          
          args = {'id': self.id}
          owner = self.task.project.owner
          _perform_command(owner, 'note_delete', args)
docs: Delete the note, removing it from it's task.
  
          >>> from pytodoist import todoist
          >>> user = todoist.login('john.doe@gmail.com', 'password')
          >>> project = user.get_project('PyTodoist')
          >>> task = project.add_task('Install PyTodoist.')
          >>> note = task.add_note('https://pypi.python.org/pypi')
          >>> note.delete()
          >>> notes = task.get_notes()
          >>> print(len(notes))
          0