Fix review findings

Author: sbueringer

api/bootstrap/kubeadm/v1beta2/kubeadmconfigtemplate_types.go

@@ -23,7 +23,6 @@ import (
 )
 
 // KubeadmConfigTemplateSpec defines the desired state of KubeadmConfigTemplate.
-// +kubebuilder:validation:MinProperties=1
 type KubeadmConfigTemplateSpec struct {
 	// template defines the desired state of KubeadmConfigTemplate.
 	// +required

api/controlplane/kubeadm/v1beta2/kubeadm_control_plane_types.go

@@ -441,8 +441,8 @@ type KubeadmControlPlaneSpec struct {
 
 	// kubeadmConfigSpec is a KubeadmConfigSpec
 	// to use for initializing and joining machines to the control plane.
-	// +required
-	KubeadmConfigSpec bootstrapv1.KubeadmConfigSpec `json:"kubeadmConfigSpec"`
+	// +optional
+	KubeadmConfigSpec bootstrapv1.KubeadmConfigSpec `json:"kubeadmConfigSpec,omitempty,omitzero"`
 
 	// rolloutBefore is a field to indicate a rollout should be performed
 	// if the specified criteria is met.

api/controlplane/kubeadm/v1beta2/kubeadmcontrolplanetemplate_types.go

@@ -24,7 +24,6 @@ import (
 )
 
 // KubeadmControlPlaneTemplateSpec defines the desired state of KubeadmControlPlaneTemplate.
-// +kubebuilder:validation:MinProperties=1
 type KubeadmControlPlaneTemplateSpec struct {
 	// template defines the desired state of KubeadmControlPlaneTemplate.
 	// +required