fix last tag

Author: jjaygbay

articles/virtual-machines/workloads/oracle/oracle-database-backup-strategies.md

@@ -3,7 +3,6 @@ title: Backup strategies for Oracle Database on an Azure Linux VM
 description:  Get options to back up Oracle Database instances in an Azure Linux VM environment.
 author: cro27
 ms.service: oracle-on-azure
-ms.subservice: oracle
 ms.custom: linux-related-content
 ms.collection: linux
 ms.topic: article