docstr: Removes a key key from a model schema
code: def remove_key(self, schema: dict, key: str):
      """Removes a key key from a model schema"""
      if key in schema:
          del schema[key]
      for value in schema.values():
          if isinstance(value, dict):
              self.remove_key(value, key)
      return schema
  
file_path: argilla/tests/unit/client/sdk/models/conftest.py
imports: import logging
  from typing import Any, Dict, List
  import pytest
label_desc: Use image node_id 1 for calling the Helpers obj's underlying member method code with example usage: obj.remove_key(schema, key) and returns: schema