src/transformers/trainer.py/Trainer/remove_callback
class Trainer:    def remove_callback(self, callback):
        """
        Remove a callback from the current list of [`~transformer.TrainerCallback`].

        Args:
           callback (`type` or [`~transformer.TrainerCallback`]):
               A [`~transformer.TrainerCallback`] class or an instance of a [`~transformer.TrainerCallback`]. In the
               first case, will remove the first member of that class found in the list of callbacks.
        """
        self.callback_handler.remove_callback(callback)