Revise the part-6.

docs/en/Tutorials/Part-6.md

@@ -2,32 +2,15 @@
 ````json
 //[doc-params]
 {
-    "UI": ["MVC","NG"],
+    "UI": ["MVC","Blazor","NG"],
     "DB": ["EF","Mongo"]
 }
 ````
-{{
-if UI == "MVC"
-  UI_Text="mvc"
-else if UI == "NG"
-  UI_Text="angular"
-else
-  UI_Text="?"
-end
-if DB == "EF"
-  DB_Text="Entity Framework Core"
-else if DB == "Mongo"
-  DB_Text="MongoDB"
-else
-  DB_Text="?"
-end
-}}
-
 ## About This Tutorial
 
 In this tutorial series, you will build an ABP based web application named `Acme.BookStore`. This application is used to manage a list of books and their authors. It is developed using the following technologies:
 
-* **{{DB_Text}}** as the ORM provider. 
+* **{{DB_Value}}** as the ORM provider. 
 * **{{UI_Value}}** as the UI Framework.
 
 This tutorial is organized as the following parts;
@@ -242,16 +225,7 @@ This is a unique string represents the error code thrown by your application and
 "BookStore:00001": "There is already an author with the same name: {name}"
 ````
 
-Then open the `BookStoreDomainSharedModule` and add the following code block inside the `ConfigureServices` method:
-
-````csharp
-Configure<AbpExceptionLocalizationOptions>(options =>
-{
-    options.MapCodeNamespace("BookStore", typeof(BookStoreResource));
-});
-````
-
-Whenever you throw an `AuthorAlreadyExistsException`, the end use will see a nice error message on the UI.
+Whenever you throw an `AuthorAlreadyExistsException`, the end use will see a this message on the UI.
 
 ## IAuthorRepository