removed dupe security section

Author: asudbring

articles/virtual-network/toc.yml

@@ -254,50 +254,6 @@
       href: virtual-network-troubleshoot-connectivity-problem-between-vms.md
     - name: Troubleshoot virtual network deletion failures
       href: virtual-network-troubleshoot-cannot-delete-vnet.md
-- name: Security
-  items:
-    - name: Secure your Virtual Network
-      href: secure-virtual-network.md
-    - name: Azure Kubernetes network policies
-      href: kubernetes-network-policies.md
-    - name: Azure Policy Regulatory Compliance controls
-      href: ./security-controls-policy.md
-    - name: Azure security baseline for Virtual Network
-      href: /security/benchmark/azure/baselines/virtual-network-security-baseline?toc=%2Fazure%2Fvirtual-network%2Ftoc.json
-    - name: Azure Security blog
-      href: https://techcommunity.microsoft.com/category/azure-network-security/blog/azurenetworksecurityblog
-    - name: DDoS protection
-      items:
-        - name: Overview
-          href: /azure/ddos-protection/ddos-protection-overview?toc=%2Fazure%2Fvirtual-network%2Ftoc.json
-        - name: Create and configure
-          href: /azure/ddos-protection/manage-ddos-protection?toc=%2Fazure%2Fvirtual-network%2Ftoc.json
-        - name: Partnering with Azure DDoS Protection
-          href: /azure/ddos-protection/ddos-protection-partner-onboarding?toc=%2Fazure%2Fvirtual-network%2Ftoc.json
-    - name: Encryption
-      items:
-        - name: Overview
-          href: virtual-network-encryption-overview.md
-        - name: Create a virtual network with encryption
-          href: how-to-create-encryption.md
-        - name: FAQ
-          href: virtual-network-encryption-faq.yml
-    - name: Network security groups
-      items:
-        - name: How network security groups filter traffic
-          href: network-security-group-how-it-works.md
-        - name: Manage network security groups
-          href: manage-network-security-group.md
-    - name: Service endpoint policies for Azure Storage
-      href: virtual-network-service-endpoint-policies-overview.md
-    - name: Virtual network TAP
-      items:
-        - name: Overview
-          href: virtual-network-tap-overview.md
-        - name: Configure virtual network TAP - Azure portal
-          href: tutorial-virtual-network-tap-portal.md
-        - name: Configure virtual network TAP - Azure CLI
-          href: tutorial-tap-virtual-network-cli.md
 - name: Reference
   items:
     - name: Monitor data reference