Fix cleanup instructions to refer up-to-date YAMLs

Author: nicolexin

site-src/guides/index.md

@@ -198,12 +198,10 @@ This quickstart guide is intended for engineers familiar with k8s and model serv
    The following cleanup assumes you would like to clean ALL resources that were created in this quickstart guide.  
    please be careful not to delete resources you'd like to keep.
    ```bash
-   kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/gateway/traffic_policy.yaml --ignore-not-found
-   kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/gateway/extension_policy.yaml --ignore-not-found
-   kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/gateway/patch_policy.yaml --ignore-not-found
+   kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/gateway/gke/resources.yaml --ignore-not-found
+   kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/gateway/istio/resources.yaml --ignore-not-found
+   kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/gateway/kgateway/resources.yaml --ignore-not-found
    kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/inferencepool.yaml --ignore-not-found
-   kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/gateway/gateway.yaml --ignore-not-found
-   kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/gateway/enable_patch_policy.yaml --ignore-not-found
    kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/manifests/inferencemodel.yaml --ignore-not-found
    kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/crd/bases/inference.networking.x-k8s.io_inferencepools.yaml --ignore-not-found
    kubectl delete -f https://github.com/kubernetes-sigs/gateway-api-inference-extension/raw/main/config/crd/bases/inference.networking.x-k8s.io_inferencemodels.yaml --ignore-not-found