docs: Update Qwen3 32B AWQ streaming documentation (#453)

Author: muhsinking

hub/public-endpoint-reference.mdx

@@ -220,14 +220,10 @@ response = client.chat.completions.create(
     model=model_name,
     messages=messages,
     max_tokens=525,
-    stream_options={"include_usage": True},
     stream=True
 )
 ```
 
-<Tip>
-`stream_options={"include_usage": True}` is required for streaming to work with vLLM Public Endpoints.
-</Tip>
 </Accordion>
 
 <Accordion title="Response format">