ProductsComponent.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Umbraco.Core;
using Umbraco.Core.Composing;
using Umbraco.Web.Editors;
using Umbraco.Web.PublishedModels;

namespace MvcCourse.Core.Components
{
    public class ProductsComponent : IComponent
    {
        public void Initialize()
        {
            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 != Products.ModelTypeAlias)
            {
                return;
            }

            foreach (var variant in e.Model.Variants)
            {
                var tab = variant.Tabs.FirstOrDefault(t => t.Label.InvariantContains("shop"));
                if (tab != null)
                {
                    tab.Properties = tab.Properties
                        .Where(p => p.Alias != Products.GetModelPropertyType(x => x.DefaultCurrency).Alias);
                }
            }
        }

        public void Terminate() { }
    }
}

ProductsComposer.cs

using MvcCourse.Core.Components;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Umbraco.Core;
using Umbraco.Core.Composing;

namespace MvcCourse.Core.Composers
{
    public class ProductsComposer : IUserComposer
    {
        public void Compose(Composition composition)
        {
            composition.Components().Append<ProductsComponent>();
        }
    }
}