Episerver find DeleteIndexItems routine

/// <summary>
/// Remove from Episerver Find, use cascade to remove any descendent as well
/// </summary>
/// <param name="entryPoint"></param>
/// <param name="cascade"></param>
/// <returns></returns>
public static List<string> DeleteIndexItems(this ContentReference entryPoint, bool cascade)
{
    // Todo! Make Valdis safe, use injection
    var loader = ServiceLocator.Current.GetInstance<IContentLoader>();

    // Message class to keep track of whats happening
    var messages = new List<string>();

    // Get all indexable languages from Find
    Languages languages = SearchClient.Instance.Settings.Languages;

    // Remove all current instances of all languages below the selected content node
    foreach (var lang in languages)
    {
        if (cascade)
        {
            var descendents = loader.GetDescendents(entryPoint);

            foreach (ContentReference descendent in descendents)
            {
                ContentIndexer.Instance.RemoveFromIndex(descendent, false, lang.FieldSuffix);
                messages.Add($"Removing descendent: {descendent.ID}, lang {lang.FieldSuffix}");
            }
        }

        // Try delete the entrypoint
        var entryTest = loader.Get<IContent>(entryPoint, new CultureInfo(lang.FieldSuffix));
        if (entryTest != null)
        {
            var delRes = ContentIndexer.Instance.Delete(entryTest);
            messages.Add($"Deleting entrypoint: Found {delRes.FirstOrDefault().Found}, Ok = {delRes.FirstOrDefault().Ok}, Id = {delRes.FirstOrDefault().Id}");
        }

    }

    messages.Insert(0, $"Done removing from index");

    return messages;
}