Merge pull request #271598 from tomvcassidy/removingOutdatedACIArticle

removing outdated doc and adding redirection

Author: v-dirichards

.openpublishing.redirection.json

@@ -1065,6 +1065,11 @@
             "redirect_url": "/azure/container-instances/container-instances-resource-and-quota-limits",
             "redirect_document_id": false
         },
+        {
+            "source_path_from_root": "/articles/container-instances/container-instances-region-availability.md",
+            "redirect_url": "/azure/container-instances/container-instances-resource-and-quota-limits",
+            "redirect_document_id": false
+        },
         {
             "source_path_from_root": "/articles/cassandra-managed-instance/compare-cosmosdb-managed-instance.md",
             "redirect_url": "/azure/managed-instance-apache-cassandra/compare-cosmosdb-managed-instance",