Remove the crd validation in callback handler (#19439)
Remove the crd validation in callback handler (#19439)

* remove the crd validation in callback handler

* Fix comments and cleanup InvalidCRDs

smawson/istio,istio/istio,smawson/istio,smawson/istio,smawson/istio,smawson/istio,istio/istio,istio/istio,istio/istio,istio/istio,smawson/istio