Description of problem:
1. Use a 4.10 environment that has nmstate-handler managed by CNAO.
2. Install Kubernetes NMState Operator. For this the following steps were taken:
https://docs.openshift.com/container-platform/4.11/networking/k8s_nmstate/k8s-nmstate-about-the-k8s-nmstate-operator.html
3. Verify that after the operator installation, migration was initiated and completed.
4. In the openshift-cnv namesapce there is a service leftover of the nmstate-webhook.

Version-Release number of selected component (if applicable):
$ /home/cnv-qe-jenkins/cnvqe2.lab.eng.rdu2.redhat.com/bm02-cnvqe2-rdu2/bin/oc version
Client Version: 4.9.52
Server Version: 4.10.44
Kubernetes Version: v1.23.12+8a6bfe4

$ oc get csv -n openshift-cnv
...
kubevirt-hyperconverged-operator.v4.10.7 OpenShift Virtualization 4.10.7 kubevirt-hyperconverged-operator.v4.9.7 Succeeded

Steps to Reproduce:
1. Install Kubernetes NMState Operator on 4.10 environment which has nmstate-handler managed by CNAO.

Actual results:
The nmstate-webhook service still exists in the openshift-cnv namespace:
oc get all | grep nmstate
service/nmstate-webhook ClusterIP 172.30.191.133 <none> 443/TCP 11d

Expected results:
The nmstate-webhook service should only exist in the openshift-nmstate namespace.