introduction headers have been removed.

docs/en/UI/Blazor/Data-Table-Column-Extensions.md

@@ -1,7 +1,5 @@
 # Data Table Column Extensions for Blazor UI
 
-## Introduction
-
 Data table column extension system allows you to add a **new table column** on the user interface. The example below adds a new column with the "Email Confirmed" title:
 
 ![datatable-column-extension-](../../images/table-column-extension-example-blazor.png)

docs/en/UI/Blazor/Entity-Action-Extensions.md

@@ -1,7 +1,5 @@
 # Entity Action Extensions for Blazor UI
 
-## Introduction
-
 Entity action extension system allows you to add a **new action** to the action menu for an entity. A **Click Me** action was added to the *User Management* page below:
 
 ![user-action-extension-click-me](../../images/user-action-blazor-extension-click-me.png)