remove standby leader configurable variable

pkg/apis/acid.zalan.do/v1/crds.go

@@ -1500,9 +1500,6 @@ var OperatorConfigCRDResourceValidation = apiextv1.CustomResourceValidation{
 							"pod_leader_label_value": {
 								Type: "string",
 							},
-							"pod_standby_leader_label_value": {
-								Type: "string",
-							},
 							"pod_service_account_definition": {
 								Type: "string",
 							},

pkg/apis/acid.zalan.do/v1/operator_configuration_type.go

@@ -82,7 +82,6 @@ type KubernetesMetaConfiguration struct {
 	InfrastructureRolesDefs                []*config.InfrastructureRole `json:"infrastructure_roles_secrets,omitempty"`
 	PodRoleLabel                           string                       `json:"pod_role_label,omitempty"`
 	PodLeaderLabelValue                    string                       `json:"pod_leader_label_value,omitempty"`
-	PodStandbyLeaderLabelValue             string                       `json:"pod_standby_leader_label_value,omitempty"`
 	ClusterLabels                          map[string]string            `json:"cluster_labels,omitempty"`
 	InheritedLabels                        []string                     `json:"inherited_labels,omitempty"`
 	InheritedAnnotations                   []string                     `json:"inherited_annotations,omitempty"`

pkg/cluster/k8sres.go

@@ -956,7 +956,7 @@ func (c *Cluster) generateSpiloPodEnvVars(
 		},
 		{
 			Name:  "KUBERNETES_STANDBY_LEADER_LABEL_VALUE",
-			Value: c.OpConfig.PodStandbyLeaderLabelValue,
+			Value: c.OpConfig.PodLeaderLabelValue,
 		},
 		{
 			Name: "PGPASSWORD_SUPERUSER",