OSSM-4843: syntax update

Author: rh-tokeefe

modules/ossm-federation-across-cluster.adoc

@@ -15,8 +15,7 @@ If the cluster runs on bare metal and fully supports `LoadBalancer` services, th
 
 If the cluster does not support `LoadBalancer` services, using a `NodePort` service could be an option if the nodes are accessible from the cluster running the other mesh. In the `ServiceMeshPeer` object, specify the IP addresses of the nodes in the `.spec.remote.addresses` field and the service's node ports in the `.spec.remote.discoveryPort` and `.spec.remote.servicePort` fields.
 
-ifdef::openshift-rosa[]
-
+ifndef::openshift-rosa[]
 == Exposing the federation ingress on clusters running on {ibmpowerProductName} and {ibmzProductName}
 If the cluster runs on {ibmpowerProductName} or {ibmzProductName} infrastructure and fully supports `LoadBalancer` services, the IP address found in the `.status.loadBalancer.ingress.ip` field of the ingress gateway `Service` object should be specified as one of the entries in the `.spec.remote.addresses` field of the `ServiceMeshPeer` object.