code: def remove(self, update):
      ckpt_filepath = os.path.join(
          self.models_foldername, "model_%d.ckpt" % update
      )
      if PathManager.isfile(ckpt_filepath):
          PathManager.rm(ckpt_filepath)
  
imports: import glob
  import importlib
  import logging
  import os
  import sys
  import warnings
  from typing import Any, Dict
  import torch
  from mmf.common.registry import registry
  from mmf.utils.checkpoint_updater import get_pretrained_state_mapping_checkpoint
  from mmf.utils.configuration import get_mmf_env, load_yaml
  from mmf.utils.distributed import is_main, is_xla, open_if_main, synchronize
  from mmf.utils.download import download_pretrained_model
  from mmf.utils.file_io import PathManager
  from mmf.utils.general import get_current_device, updir
  from mmf.utils.xla import save_xla_ckpt
  from omegaconf import OmegaConf
label_desc: Use image node_id 16 for calling the Checkpoint obj's underlying member method code with example usage: obj.remove(update) without return types