fix final warnings

Author: gewarren

xml/System.Web.Configuration/FormsAuthenticationUserCollection.xml

@@ -513,17 +513,7 @@
       <Docs>
         <param name="user">The <see cref="T:System.Web.Configuration.FormsAuthenticationUserCollection" /> object that must be changed.</param>
         <summary>Modifies the specified <see cref="T:System.Web.Configuration.FormsAuthenticationUser" /> object contained in the collection.</summary>
-        <remarks>
-          <format type="text/markdown"><![CDATA[
-
-## Examples
- The following code example shows how to use the <xref:System.Web.Configuration.FormsAuthenticationUserCollection.Set%2A> method.
-
- :::code language="csharp" source="~/snippets/csharp/VS_Snippets_WebNet/System.Web.Configuration.FormsAuthenticationCredentials/CS/formsauthenticationcredentials.cs" id="Snippet11":::
- :::code language="vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/System.Web.Configuration.FormsAuthenticationCredentials/VB/formsauthenticationcredentials.vb" id="Snippet11":::
-
- ]]></format>
-        </remarks>
+        <remarks>To be added.</remarks>
       </Docs>
     </Member>
     <Member MemberName="ThrowOnDuplicate">