removes unused imports that are causing linting failures

litellm/caching/caching_handler.py

@@ -18,7 +18,6 @@ import asyncio
 import datetime
 import inspect
 import threading
-from functools import lru_cache, wraps
 from typing import (
     TYPE_CHECKING,
     Any,
@@ -36,7 +35,6 @@ from pydantic import BaseModel
 
 import litellm
 from litellm._logging import print_verbose, verbose_logger
-from litellm._service_logger import ServiceLogging
 from litellm.caching import InMemoryCache
 from litellm.caching.caching import S3Cache
 from litellm.litellm_core_utils.logging_utils import (