Remove explicit webhookconfig deletion steps (#12285)

* Remove explicit webhookconfig deletion steps

Signed-off-by: Faseela K <faseela.k@est.tech>

* Incorporate review comments

Signed-off-by: Faseela K <faseela.k@est.tech>

Signed-off-by: Faseela K <faseela.k@est.tech>

content/en/docs/setup/install/helm/test.sh

@@ -20,9 +20,6 @@ set -o pipefail
 
 # @setup profile=none
 
-# Delete a vailidatingwebhookconfiguration that seems to have been left around from a prior test.
-kubectl delete validatingwebhookconfigurations.admissionregistration.k8s.io istiod-default-validator  --ignore-not-found
-
 snip_create_istio_system_namespace
 _rewrite_helm_repo snip_install_base
 

content/en/docs/setup/install/virtual-machine/index.md

@@ -479,7 +479,7 @@ To uninstall Istio, run the following command:
 
 {{< text bash >}}
 $ kubectl delete -n istio-system -f @samples/multicluster/expose-istiod.yaml@
-$ istioctl manifest generate | kubectl delete -f -
+$ istioctl uninstall -y --purge
 {{< /text >}}
 
 The control plane namespace (e.g., `istio-system`) is not removed by default.

content/en/docs/setup/install/virtual-machine/snips.sh

@@ -244,7 +244,7 @@ sudo rpm -e istio-sidecar
 
 snip_uninstall_4() {
 kubectl delete -n istio-system -f samples/multicluster/expose-istiod.yaml
-istioctl manifest generate | kubectl delete -f -
+istioctl uninstall -y --purge
 }
 
 snip_uninstall_5() {

content/en/docs/setup/install/virtual-machine/test.sh

@@ -51,6 +51,4 @@ _verify_contains check_call "Hello version:"
 # @cleanup
 docker stop vm
 snip_uninstall_4
-kubectl delete validatingwebhookconfiguration istiod-default-validator #TODO fix snip and then remove
-kubectl delete mutatingwebhookconfiguration istio-revision-tag-default #TODO fix snip and then remove
 kubectl delete namespace istio-system vm-namespace sample