Remove topic stub

Author: ghogen

docs/azure/connected-services-overview.md

@@ -17,8 +17,6 @@
 - name: Connect to Azure services
   expanded: false
   items:
-  - name: Overview
-    href: connected-services-overview.md
   - name: Add Azure Active Directory (AD)
     href: /azure/active-directory/develop/vs-active-directory-add-connected-service?toc=/visualstudio/azure/toc.json&bc=/visualstudio/azure/breadcrumb/toc.json
   - name: Add Azure App Insights