fix: remove unused noop serializer

Author: rubenfonseca

aws_lambda_powertools/shared/headers_serializer.py

@@ -123,12 +123,3 @@ def serialize(self, headers: Dict[str, Union[str, List[str]]], cookies: List[Coo
                 payload["headers"][key] = values[-1]
 
         return payload
-
-
-class NoopSerializer(BaseHeadersSerializer):
-    """
-    Noop serializer that doesn't do anything. This is useful for resolvers that don't need to set headers or cookies.
-    """
-
-    def serialize(self, headers: Dict[str, Union[str, List[str]]], cookies: List[Cookie]) -> Dict[str, Any]:
-        return {}

aws_lambda_powertools/utilities/data_classes/bedrock_agent_event.py

@@ -1,6 +1,5 @@
 from typing import Dict, List, Optional
 
-from aws_lambda_powertools.shared.headers_serializer import BaseHeadersSerializer, NoopSerializer
 from aws_lambda_powertools.utilities.data_classes.common import BaseProxyEvent, DictWrapper
 
 
@@ -103,6 +102,3 @@ def prompt_session_attributes(self) -> Dict[str, str]:
     @property
     def path(self) -> str:
         return self["apiPath"]
-
-    def header_serializer(self) -> BaseHeadersSerializer:
-        return NoopSerializer()