Update validate-azure-ad-token-policy.md

Remove validate-jwt example

Author: dlepow

articles/api-management/validate-azure-ad-token-policy.md

@@ -102,22 +102,6 @@ The `validate-azure-ad-token` policy enforces the existence and validity of a JS
 
 ### Simple token validation
 
-```xml
-<validate-jwt header-name="Authorization" require-scheme="Bearer">
-    <issuer-signing-keys>
-        <key>{{jwt-signing-key}}</key>  <!-- signing key specified as a named value -->
-    </issuer-signing-keys>
-    <audiences>
-        <audience>@(context.Request.OriginalUrl.Host)</audience>  <!-- audience is set to API Management host name -->
-    </audiences>
-    <issuers>
-        <issuer>http://contoso.com/</issuer>
-    </issuers>
-</validate-jwt>
-```
-
-### Simple token validation
-
 The following policy is the minimal form of the `validate-azure-ad-token` policy.  It expects the JWT to be provided in the default `Authorization` header using the `Bearer` scheme. In this example, the Azure AD tenant ID and client application ID are provided using named values.
 
 ```xml