corrected redirect and versions files

Author: markingmyname

articles/mysql/.openpublishing.redirection.mysql.json

@@ -740,11 +740,6 @@
         "redirect_url": "/azure/mysql/single-server/concepts-connect-to-a-gateway-node",
         "redirect_document_id": false
     },
-    {
-        "source_path_from_root": "/articles/mysql/single-server/concepts-supported-versions.md",
-        "redirect_url": "/azure/mysql/concepts-version-policy",
-        "redirect_document_id": false
-    },
     {
         "source_path_from_root": "/articles/mysql/flexible-server/concepts-compute-storage.md",
         "redirect_url": "/azure/mysql/flexible-server/concepts-service-tiers-storage",