revert copilot changes

Author: Peng Zhou

pkg/k8sutil/context.go

@@ -185,9 +185,6 @@ func (cc *ClusterContext) SetClusterLabels(labels map[string]string) {
 }
 
 func (cc *ClusterContext) SetClusterAnnotations(annotations map[string]string) {
-	if annotations == nil {
-		annotations = make(map[string]string)
-	}
 	delete(annotations, "kubectl.kubernetes.io/last-applied-configuration")
 	cc.Annotations = annotations
 }
@@ -219,9 +216,6 @@ func (oc *OperatorContext) SetOperatorLabels(labels map[string]string) {
 }
 
 func (oc *OperatorContext) SetOperatorAnnotations(annotations map[string]string) {
-	if annotations == nil {
-		annotations = make(map[string]string)
-	}
 	delete(annotations, "kubectl.kubernetes.io/last-applied-configuration")
 	oc.Annotations = annotations
 }

pkg/k8sutil/service.go

@@ -98,9 +98,6 @@ func generateServiceDef(serviceMeta metav1.ObjectMeta, ownerRef metav1.OwnerRefe
 func (oc *OperatorContext) generateService(svcName string, cr *marklogicv1.MarklogicGroup) *corev1.Service {
 	labels := oc.GetOperatorLabels(cr.Spec.Name)
 	groupLabels := cr.Spec.Labels
-	if groupLabels == nil {
-		groupLabels = make(map[string]string)
-	}
 	for key, value := range groupLabels {
 		labels[key] = value
 	}