Hide Properties in Umbraco 8

EditorModelEventsComposer.cs

using System.Linq;
using Umbraco.Core;
using Umbraco.Core.Composing;
using Umbraco.Web.Editors;

namespace CodeShare.Core.Composing
{
    [RuntimeLevel(MinLevel = RuntimeLevel.Run)]
    public class EditorModelEventsComposer : ComponentComposer<EditorModelEventsComponent>
    {
    }

    public class EditorModelEventsComponent : IComponent
    {
        public void Initialize()
        {
            EditorModelEventManager.SendingContentModel += EditorModelEventManager_SendingContentModel;
        }

        public void Terminate()
        {
            EditorModelEventManager.SendingContentModel -= EditorModelEventManager_SendingContentModel;
        }

        private void EditorModelEventManager_SendingContentModel(System.Web.Http.Filters.HttpActionExecutedContext sender, EditorModelEventArgs<Umbraco.Web.Models.ContentEditing.ContentItemDisplay> e)
        {
            if (e.Model.ContentTypeAlias != "pageTypeAlias") return;

            foreach (var variant in e.Model.Variants)
            {
                foreach (var tab in variant.Tabs)
                {
                    tab.Properties = tab.Properties.Where(x => x.Alias != "propertyAlias");
                }
            }
        }
    }
}