Removing "Preview" reference from the article

Author: niko-neugebauer

articles/azure-sql/managed-instance/long-term-backup-retention-configure.md

@@ -15,7 +15,7 @@ ms.date: 09/12/2021
 # Manage Azure SQL Managed Instance long-term backup retention
 [!INCLUDE[appliesto-sqlmi](../includes/appliesto-sqlmi.md)]
 
-In Azure SQL Managed Instance, you can configure a [long-term backup retention](../database/long-term-retention-overview.md) policy (LTR) as a public preview feature. This allows you to automatically retain database backups in separate Azure Blob storage containers for up to 10 years. You can then recover a database using these backups with the Azure portal and PowerShell.
+In Azure SQL Managed Instance, you can configure a [long-term backup retention](../database/long-term-retention-overview.md) policy (LTR). This allows you to automatically retain database backups in separate Azure Blob storage containers for up to 10 years. You can then recover a database using these backups with the Azure portal and PowerShell.
 
 The following sections show you how to use the Azure portal, PowerShell, and Azure CLI to configure the long-term backup retention, view backups in Azure SQL storage, and restore from a backup in Azure SQL storage.