Revamp TOC

Author: seesharprun

articles/cosmos-db/gremlin/TOC.yml

@@ -10,18 +10,14 @@
       href: gremlin-api-faq.yml
 - name: Quickstarts
   items:
-    - name: Gremlin console
+    - name: Console
       href: quickstart-console.md
-    - name: .NET
-      href: quickstart-dotnet.md
-    - name: Java
-      href: quickstart-java.md
-    - name: Node.js
-      href: quickstart-nodejs.md
     - name: Python
       href: quickstart-python.md
-    - name: PHP
-      href: quickstart-php.md
+    - name: Node.js
+      href: quickstart-nodejs.md
+    - name: .NET
+      href: quickstart-dotnet.md
 - name: Tutorials
   items:
     - name: Query data using Gremlin