remove code

Author: Bryannah Hernandez

src/sagemaker/serve/builder/model_builder.py

@@ -881,9 +881,6 @@ def _build_for_model_server(self):  # pylint: disable=R0911, R1710
         if self.model_metadata:
             mlflow_path = self.model_metadata.get(MLFLOW_MODEL_PATH)
 
-        if not self.model and not mlflow_path and not self.inference_spec:
-            raise ValueError("Missing required parameter `model` or 'ml_flow' path or inf_spec")
-
         if self.model_server == ModelServer.TORCHSERVE:
             return self._build_for_torchserve()