docs: Remove outdated file contents section and fix port-forward formatting

examples/hello-world/hello-world.md

@@ -32,12 +32,15 @@ kubectl port-forward service/hello-world-service 8080:8080
 ```bash
 # Start in background
 nohup kubectl port-forward service/hello-world-service 8080:8080 > /dev/null 2>&1 &
+```
 
+```bash
 # Kill when done
 lsof -ti:8080 | xargs kill -9
 ```
 
 # 4. Visit http://localhost:8080
+```bash
 curl http://localhost:8080
 ```
 
@@ -290,22 +293,11 @@ You'll know everything is working when:
 
 ---
 
-## 📖 File Contents
-
-For reference, here are the complete file contents:
-
-### hello-world-deployment.yaml
-[File contents would be here in the actual file]
-
-### hello-world-service.yaml  
-[File contents would be here in the actual file]
-
 ## 🆘 Support
 
 If you encounter issues:
 1. Check the troubleshooting section above
 2. Verify your kubeconfig is set correctly: `kubectl get nodes`
 3. Ensure your cluster is healthy: `kubectl get pods --all-namespaces`
-4. Check the [Getting Started Guide](../../docs/getting-started.md)
 
 For more help, visit our [documentation](../../README.md) or contact support.