refactor(server): remove redundant no-auth identity wrapper

Author: josjeon

server/src/agent_control_server/auth_framework/providers/no_auth.py

@@ -16,10 +16,6 @@ class NoAuthProvider(RequestAuthorizer):
     def __init__(self, *, default_namespace_key: str = DEFAULT_NAMESPACE_KEY) -> None:
         self._default_namespace_key = default_namespace_key
 
-    async def resolve_identity(self, request: Request, operation: Operation) -> Principal:
-        """Return the configured namespace when authentication is disabled."""
-        return await self.authorize(request, operation)
-
     async def authorize(
         self,
         request: Request,