Remove additional new line in model_settings.py

Author: SuveenE

src/agents/model_settings.py

@@ -51,7 +51,6 @@ class ModelSettings:
     metadata: dict[str, str] | None = None
     """Metadata to include with the model response call."""
 
-
     store: bool | None = None
     """Whether to store the generated model response for later retrieval.
     Defaults to True if not provided."""