doc: fix examples how to specify watched CR in Watches()

Author: jokuniew

docs/book/src/reference/watching-resources/predicates-with-watch.md

@@ -87,7 +87,7 @@ func (r *BackupBusyboxReconciler) SetupWithManager(mgr ctrl.Manager) error {
     return ctrl.NewControllerManagedBy(mgr).
         For(&examplecomv1alpha1.BackupBusybox{}).  // Watch the primary resource (BackupBusybox)
         Watches(
-            &source.Kind{Type: &examplecomv1alpha1.Busybox{}},  // Watch the Busybox CR
+            &examplecomv1alpha1.Busybox{},  // Watch the Busybox CR
             handler.EnqueueRequestsFromMapFunc(func(ctx context.Context, obj client.Object) []reconcile.Request {
                 return []reconcile.Request{
                     {

docs/book/src/reference/watching-resources/secondary-resources-not-owned.md

@@ -39,7 +39,7 @@ func (r *BackupBusyboxReconciler) SetupWithManager(mgr ctrl.Manager) error {
     return ctrl.NewControllerManagedBy(mgr).
         For(&examplecomv1alpha1.BackupBusybox{}).  // Watch the primary resource (BackupBusybox)
         Watches(
-            &source.Kind{Type: &examplecomv1alpha1.Busybox{}},  // Watch the Busybox CR
+            &examplecomv1alpha1.Busybox{},  // Watch the Busybox CR
             handler.EnqueueRequestsFromMapFunc(func(ctx context.Context, obj client.Object) []reconcile.Request {
                 // Trigger reconciliation for the BackupBusybox in the same namespace
                 return []reconcile.Request{
@@ -66,7 +66,7 @@ func (r *BackupBusyboxReconciler) SetupWithManager(mgr ctrl.Manager) error {
     return ctrl.NewControllerManagedBy(mgr).
         For(&examplecomv1alpha1.BackupBusybox{}).  // Watch the primary resource (BackupBusybox)
         Watches(
-            &source.Kind{Type: &examplecomv1alpha1.Busybox{}},  // Watch the Busybox CR
+            &examplecomv1alpha1.Busybox{},  // Watch the Busybox CR
             handler.EnqueueRequestsFromMapFunc(func(ctx context.Context, obj client.Object) []reconcile.Request {
                 // Check if the Busybox resource has the label 'backup-needed: "true"'
                 if val, ok := obj.GetLabels()["backup-enable"]; ok && val == "true" {