Removing article around Office Web Widgets library which was never actually released

Author: VesaJuvonen

docs/solution-guidance/display-information-from-a-host-site-by-using-office-web-widgets.md

@@ -1366,8 +1366,6 @@
         href: solution-guidance/customize-the-ux-by-using-sharepoint-provider-hosted-add-ins.md
       - name: Create UX controls
         href: solution-guidance/create-ux-controls-by-using-sharepoint-provider-hosted-add-ins.md
-      - name: Display information from a host site
-        href: solution-guidance/display-information-from-a-host-site-by-using-office-web-widgets.md
       - name: Improve performance
         href: solution-guidance/improve-performance-in-sharepoint-provider-hosted-add-ins.md
   - name: Customizing the "modern" experiences in SharePoint Online