set sample and clean up

Signed-off-by: Yadan Wei <yadanwei@amazon.com>

Author: Yadan Wei

.github/workflows/pr-vllm.yml

@@ -5,7 +5,7 @@ on:
     branches: [main]
     types: [opened, reopened, synchronize]
     paths:
-      # - "**vllm**"
+      - "**vllm**"
       - "!docs/**"
 
 permissions: