pkg/manifests: don't reset annotations for metrics client CA

Previously this configmap didn't have annotations set, so these were being reset to an empty map. Now it has ownership annotation, so reset to an empty map is erasing them

Author: vrutkovs

pkg/manifests/tls.go

@@ -100,7 +100,6 @@ func (f *Factory) MetricsClientCACM(apiAuthConfigmap *v1.ConfigMap) (*v1.ConfigM
 
 	cm.Namespace = f.namespace
 	cm.Data = make(map[string]string)
-	cm.Annotations = make(map[string]string)
 
 	clientCA, ok := apiAuthConfigmap.Data["client-ca-file"]
 	if !ok {