code: def remove_ckpt(epoch: int = -1):
      r"""Removes the model checkpoint at a given epoch."""
      os.remove(get_ckpt_path(get_ckpt_epoch(epoch)))
  
file_path: GraphGym/graphgym/checkpoint.py
imports: import glob
  import os
  import os.path
  from typing import Any, Dict, List, Optional, Union
  import torch
  from graphgym.config import cfg
label_desc: Use image node_id 3 for calling a global function with example usage: remove_ckpt(epoch) without return types