Ignore 'check if MCG root secret is public' if we use MS

[yitzhak12]

Currently, the MS deployment failed with the error:

2024-02-05 14:39:15 12:39:14 - MainThread - ocs_ci.ocs.ocp - WARNING - Failed to get resource: noobaa-endpoint of kind: Deployment, selector: None, Error: Error during execution of command: oc --kubeconfig /home/jenkins/current-cluster-dir/openshift-cluster-dir/auth/kubeconfig -n openshift-storage get Deployment noobaa-endpoint -n openshift-storage -o yaml.
2024-02-05 14:39:15 Error is Error from server (NotFound): deployments.apps "noobaa-endpoint" not found

See, for example, the failed deployment here: https://ocs4-jenkins-csb-odf-qe.apps.ocp-c1.prod.psi.redhat.com/job/qe-deploy-ocs-cluster/33416/console.
We need to remove the check in the function check_if_mcg_root_secret_public.

[yitzhak12]

I successfully deployed a multicluster job using the PR: https://ocs4-jenkins-csb-odf-qe.apps.ocp-c1.prod.psi.redhat.com/job/qe-odf-multicluster/2340/

[openshift-ci]

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This pull-request has been approved by: fbalak, suchita-g, yitzhak12

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