docstr: Remove an added builtin and re-set the original.
docstr_tok: ["Remove","an","added","builtin","and","re-set","the","original","."]
code: def remove_builtin(self, key, orig):
      """Remove an added builtin and re-set the original."""
      if orig is BuiltinUndefined:
          del builtin_mod.__dict__[key]
      else:
          builtin_mod.__dict__[key] = orig
  
file_path: catboost/contrib/python/ipython/py3/IPython/core/builtin_trap.py
imports: import builtins
  from traitlets.config.configurable import Configurable
  from traitlets import Instance
label_desc: Use image node_id 5 for calling the BuiltinTrap obj's underlying member method code with example usage: obj.remove_builtin(key, orig) without return types