MC-40729: Disable Web Setup wizard

- Add additional note to web setup landing page

Author: svera

setup/view/magento/setup/landing.phtml

@@ -17,4 +17,5 @@
         <br>
         Please review <a href="" ng-click="previousState()">Terms & Agreement</a> and read <a href="https://devdocs.magento.com/guides/v2.3/install-gde/install/web/install-web.html" target="_blank">Getting Started</a> to learn how to install Magento using the command line.
     </p>
+    <p>Please note Magento Web Setup Wizard has been removed since version 2.3.7.</p>
 </section>