docs: tighten OpenAI blog ending

Author: steipete

src/content/blog/openai-models-in-openclaw-done-right.md

@@ -157,11 +157,3 @@ Try it:
 ```bash
 openclaw onboard
 ```
-
-And if you already have an older OpenAI setup, run:
-
-```bash
-openclaw doctor --fix
-```
-
-OpenClaw will keep the model ref canonical, repair legacy routes where it can, and move you toward the runtime boundary that works best.