Remove webhooks from CRDs and unbreak K8s 1.22

HNC hasn't has CRD conversion webhooks implemented since v0.6, but
somehow we still had them in our CRDs. It looks like earlier versions of
K8s simply ignored them but 1.22 hits internal errors if the webhooks
can't be called, even though no conversion is actually occurring.

Tested: can't install HNC successfully on 1.22 without this change; can
install successfully with it. Also, before this change, if I edit the
CRDs on the server to remove the conversion webhooks, HNC starts
working.

Author: adrianludwin

config/crd/kustomization.yaml

@@ -11,9 +11,9 @@ patchesStrategicMerge:
 # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
 # patches here are for enabling the conversion webhook for each CRD
 # and setting served and storage versions.
-- patches/webhook_in_hierarchyconfigurations.yaml
-- patches/webhook_in_hncconfigurations.yaml
-- patches/webhook_in_subnamespaceanchors.yaml
+# - patches/webhook_in_hierarchyconfigurations.yaml
+# - patches/webhook_in_hncconfigurations.yaml
+# - patches/webhook_in_subnamespaceanchors.yaml
 # +kubebuilder:scaffold:crdkustomizewebhookpatch
 
 # [CERTMANAGER] To enable webhook, uncomment all the sections with [CERTMANAGER] prefix.