Remove DNS article and add section for templates

Author: AbbyMSFT

articles/chaos-studio/TOC.yml

@@ -44,7 +44,7 @@
     href: chaos-studio-private-networking.md
   - name: Reliability 
     href: ../reliability/reliability-chaos-studio.md?toc=/azure/chaos-studio/toc.json&bc=/azure/chaos-studio/breadcrumb/toc.json
-- name: Create and run experiment
+- name: Create and run experiments
   items:
   - name: Service-direct faults
     items:
@@ -70,16 +70,14 @@
       href: chaos-studio-tutorial-dynamic-target-portal.md
     - name: CLI 
       href: chaos-studio-tutorial-dynamic-target-cli.md
+- name: Use Chaos experiment templates
+  items: 
+  - name: Use a chaos experiment template to induce an outage on an Azure Active Directory instance
+    href: chaos-studio-tutorial-aad-outage-portal.md
+  - name: Use a chaos experiment template to take down Virtual Machine Scale Set availability zones with autoscale disabled
+    href: chaos-studio-tutorial-availability-zone-down-portal.md
 - name: Manage and Monitor experiments
   items:
-    - name: Replicate a DNS outage by using the NSG fault
-      href: chaos-studio-quickstart-dns-outage.md
-    - name: Experiment templates
-      items: 
-      - name: Use a chaos experiment template to induce an outage on an Azure Active Directory instance
-        href: chaos-studio-tutorial-aad-outage-portal.md
-      - name: Use a chaos experiment template to take down Virtual Machine Scale Set availability zones with autoscale disabled
-        href: chaos-studio-tutorial-availability-zone-down-portal.md
     - name: Emit Chaos experiment telemetry
       items:
       - name: Set up your Chaos Experiment to emit telemetry to Azure Monitor