Nvidia trt model name for stop_stream() (#16997)

just removing some legacy leftover.

libs/partners/nvidia-trt/langchain_nvidia_trt/llms.py

@@ -377,14 +377,14 @@ class StreamingResponseGenerator(queue.Queue):
 
     def __init__(
         self,
-        client: grpcclient.InferenceServerClient,
+        llm: TritonTensorRTLLM,
         request_id: str,
         force_batch: bool,
         stop_words: Sequence[str],
     ) -> None:
         """Instantiate the generator class."""
         super().__init__()
-        self.client = client
+        self.llm = llm
         self.request_id = request_id
         self._batch = force_batch
         self._stop_words = stop_words
@@ -397,8 +397,8 @@ class StreamingResponseGenerator(queue.Queue):
         """Return the next retrieved token."""
         val = self.get()
         if val is None or val in self._stop_words:
-            self.client.stop_stream(
-                "tensorrt_llm", self.request_id, signal=not self._batch
+            self.llm.stop_stream(
+                self.llm.model_name, self.request_id, signal=not self._batch
             )
             raise StopIteration()
         return val