Description of problem: Currently cluster-etcd-operator relies on controller config for watching etcd discovery domain. It should instead use infrastructureLister. Version-Release number of selected component (if applicable): How reproducible: Enhancement. Steps to Reproduce: 1. Install fresh 4.4 envs Actual results: cluster-etcd-operator and etcd should come up. Expected results: cluster-etcd-operator and etcd should come up. Additional info: