[RELEASE-1.15] Remove "DELETE" from the Serving validating webhook (#1103)

* remove DELETE from serving validating webhook

* run generate

Author: skonto

config/core/webhooks/resource-validation.yaml

@@ -40,7 +40,6 @@ webhooks:
     operations:
     - CREATE
     - UPDATE
-    - DELETE
     scope: "*"
     resources:
     - metrics

openshift/patches/016-remove-delete-validation-webhook.patch

@@ -0,0 +1,12 @@
+diff --git a/config/core/webhooks/resource-validation.yaml b/config/core/webhooks/resource-validation.yaml
+index b49665420..2fdc8e2f8 100644
+--- a/config/core/webhooks/resource-validation.yaml
++++ b/config/core/webhooks/resource-validation.yaml
+@@ -40,7 +40,6 @@ webhooks:
+     operations:
+     - CREATE
+     - UPDATE
+-    - DELETE
+     scope: "*"
+     resources:
+     - metrics

openshift/release/artifacts/serving-core.yaml

@@ -9264,7 +9264,6 @@ webhooks:
     operations:
     - CREATE
     - UPDATE
-    - DELETE
     scope: "*"
     resources:
     - metrics