modified toc

Author: asudbring

articles/virtual-network/toc.yml

@@ -23,9 +23,9 @@
     href: tutorial-restrict-network-access-to-resources.md
   - name: Connect virtual networks
     href: tutorial-connect-virtual-networks-portal.md
-  - name: Create NAT gateway - Portal
+  - name: Create NAT gateway
     href: quickstart-create-nat-gateway-portal.md
-  - name: Create and validate NAT gateway - Portal
+  - name: Create and validate NAT gateway
     href: tutorial-create-validate-nat-gateway-portal.md
 - name: Samples
   items: