Undo the BookStore code change (0.17 not released)

samples/BookStore/src/Acme.BookStore.Application/Permissions/BookStorePermissions.cs

@@ -1,5 +1,4 @@
 using System;
-using Volo.Abp.Reflection;
 
 namespace Acme.BookStore.Permissions
 {
@@ -13,7 +12,7 @@ namespace Acme.BookStore.Permissions
         public static string[] GetAll()
         {
             //Return an array of all permissions
-            return ReflectionHelper.GetPublicConstantsRecursively(typeof(BookStorePermissions));
+            return Array.Empty<string>();
         }
     }
 }