Removed expanded except Quickstart (IA guidance)

Author: ntrogh

articles/load-testing/toc.yml

@@ -13,26 +13,22 @@ items:
     - name: Create & run a load test
       href: quickstart-create-and-run-load-test.md
 - name: Tutorials
-  expanded: true
   items: 
     - name: Identify performance bottlenecks
       href: tutorial-identify-bottlenecks-azure-portal.md
     - name: Continuous regression testing (CI/CD)
-      expanded: true
       items:
         - name: Automate with GitHub Actions
           href: tutorial-cicd-github-actions.md
         - name: Automate with Azure Pipelines
           href: tutorial-cicd-azure-pipelines.md
 - name: Concepts
-  expanded: true
   items: 
     - name: Key concepts
       href: concept-load-testing-concepts.md
     - name: Scenarios for VNET deployment
       href: concept-azure-load-testing-vnet-injection.md
 - name: How-to guides
-  expanded: true
   items:
     - name: Create & manage tests
       href: how-to-create-manage-test.md