Remove conversion webhook from InferenceService CRD

Reference: kserve/kserve#3476

Signed-off-by: Edgar Hernández <23639005+israel-hdez@users.noreply.github.com>

config/crd/bases/serving.kserve.io_inferenceservices.yaml

@@ -4,21 +4,9 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    cert-manager.io/inject-ca-from: kserve/serving-cert
     controller-gen.kubebuilder.io/version: v0.12.0
   name: inferenceservices.serving.kserve.io
 spec:
-  conversion:
-    strategy: Webhook
-    webhook:
-      clientConfig:
-        caBundle: Cg==
-        service:
-          name: kserve-webhook-server-service
-          namespace: kserve
-          path: /convert
-      conversionReviewVersions:
-        - v1beta1
   group: serving.kserve.io
   names:
     kind: InferenceService
@@ -27,7 +15,6 @@ spec:
     shortNames:
       - isvc
     singular: inferenceservice
-  preserveUnknownFields: false
   scope: Namespaced
   versions:
     - additionalPrinterColumns: