refactor: remove logging.Logger subclassing

Author: heitorlessa

aws_lambda_powertools/logging/logger.py

@@ -66,12 +66,7 @@ def _is_cold_start() -> bool:
     return cold_start
 
 
-# PyCharm does not support autocomplete via getattr
-# so we need to return to subclassing removed in #97
-# All methods/properties continue to be proxied to inner logger
-# https://github.com/awslabs/aws-lambda-powertools-python/issues/107
-# noinspection PyRedeclaration
-class Logger(logging.Logger):  # lgtm [py/missing-call-to-init]
+class Logger:
     """Creates and setups a logger to format statements in JSON.
 
     Includes service name and any additional key=value into logs