Simplify ACStor TOC

Author: eh8

articles/storage/container-storage/TOC.yml

@@ -11,7 +11,7 @@
     href: install-container-storage-aks.md
   - name: Use with local NVMe
     href: use-container-storage-with-local-disk.md
-  - name: Use with Azure Elastic SAN
+  - name: Use with Elastic SAN
     href: use-container-storage-with-elastic-san.md
   - name: Remove Azure Container Storage
     href: remove-container-storage.md