Remove Visual Studio support references

Author: ecfan

articles/logic-apps/logic-apps-enterprise-integration-schemas.md

@@ -22,13 +22,10 @@ This article shows how to add a schema to your integration account. If you're wo
 
 * An Azure account and subscription. If you don't have a subscription yet, [sign up for a free Azure account](https://azure.microsoft.com/free/?WT.mc_id=A261C142F).
 
-* The schema file that you want to add. To create schemas, you can use the following tools:
-
-  * Visual Studio 2019 and the [Microsoft Azure Logic Apps Enterprise Integration Tools Extension](https://aka.ms/vsenterpriseintegrationtools).
-
-  * Visual Studio 2015 and the [Microsoft Azure Logic Apps Enterprise Integration Tools for Visual Studio 2015 2.0](https://aka.ms/vsmapsandschemas) extension.
+* The schema file that you want to add. To create schemas, you can use Visual Studio 2019 and the [Microsoft Azure Logic Apps Enterprise Integration Tools Extension](https://aka.ms/vsenterpriseintegrationtools).
 
    > [!NOTE]
+   >
    > Don't install the extension alongside the BizTalk Server extension. Having both extensions might 
    > produce unexpected behavior. Make sure that you only have one of these extensions installed.
    >