Fix pre-commit

Author: pseudo-rnd-thoughts

rllib/env/env_runner_group.py

@@ -1,4 +1,3 @@
-import functools
 import importlib.util
 import logging
 import os
@@ -21,7 +20,6 @@
 import ray
 from ray._common.deprecation import (
     DEPRECATED_VALUE,
-    Deprecated,
     deprecation_warning,
 )
 from ray.actor import ActorHandle