removing preview tag

Author: austonli

articles/azure-monitor/toc.yml

@@ -948,7 +948,7 @@ items:
         href: containers/container-insights-manage-agent.md
       - name: Agent collection settings
         href: containers/container-insights-agent-config.md
-      - name: Enable ContainerLogv2 (preview)
+      - name: Enable ContainerLogv2
         href: containers/container-insights-logging-v2.md
       - name: Enable cost optimization settings (preview)
         href: containers/container-insights-cost-config.md
@@ -1557,4 +1557,4 @@ items:
     - name: Pricing calculator
       href: https://azure.microsoft.com/pricing/calculator/
   - name: Regional availability
-    href: https://azure.microsoft.com/global-infrastructure/services/?regions=all&products=monitor
+    href: https://azure.microsoft.com/global-infrastructure/services/?regions=all&products=monitor