Removing Chrome sample

Author: spelluru

articles/notification-hubs/TOC.yml

@@ -38,10 +38,6 @@
     items:
     - name: Push notifications using Baidu cloud push
       href: notification-hubs-baidu-china-android-notifications-get-started.md
-  - name: Chrome
-    items:
-    - name: Push notifications to Chrome apps
-      href: notification-hubs-chrome-push-notifications-get-started.md
   - name: iOS
     items:
     - name: Push notifications to iOS apps