Revert "fix: set logger levels based on LITELLM_LOG environment variable" (#12122)

Author: ishaan-jaff

litellm/_logging.py

@@ -103,11 +103,6 @@ def async_json_exception_handler(loop, context):
 verbose_router_logger = logging.getLogger("LiteLLM Router")
 verbose_logger = logging.getLogger("LiteLLM")
 
-# Set the logger level based on LITELLM_LOG environment variable
-verbose_proxy_logger.setLevel(numeric_level)
-verbose_router_logger.setLevel(numeric_level)
-verbose_logger.setLevel(numeric_level)
-
 # Add the handler to the logger
 verbose_router_logger.addHandler(handler)
 verbose_proxy_logger.addHandler(handler)