IMPROVEMENT Adds support for new OctoAI endpoints (#13521)

small fix to add support for new OctoAI LLM endpoints

libs/langchain/langchain/llms/octoai_endpoint.py

@@ -123,7 +123,7 @@ def _call(
 
             octoai_client = client.Client(token=self.octoai_api_token)
 
-            if "model" in _model_kwargs and "llama-2" in _model_kwargs["model"]:
+            if "model" in _model_kwargs:
                 parameter_payload = _model_kwargs
                 parameter_payload["messages"].append(
                     {"role": "user", "content": prompt}