revert test context changes

framework/test/Volo.Abp.Auditing.Tests/Volo/Abp/Auditing/App/EntityFrameworkCore/AbpAuditingTestDbContext.cs

@@ -27,15 +27,5 @@ namespace Volo.Abp.Auditing.App.EntityFrameworkCore
         {
 
         }
-
-        protected override void OnModelCreating(ModelBuilder modelBuilder)
-        {
-            base.OnModelCreating(modelBuilder);
-
-            modelBuilder.Entity<AppFullAuditedEntityWithAudited>(entity =>
-            {
-                entity.Property<string>("Shadow");
-            });
-        }
     }
 }