Update how-to-manage-azure-ad-users.md

Removed Preview

Author: kabharati

articles/postgresql/flexible-server/how-to-manage-azure-ad-users.md

@@ -10,7 +10,7 @@ ms.subservice: flexible-server
 ms.topic: how-to
 ---
 
-# Manage Azure Active Directory roles in Azure Database for PostgreSQL - Flexible Server Preview
+# Manage Azure Active Directory roles in Azure Database for PostgreSQL - Flexible Server 
 
 [!INCLUDE [applies-to-postgresql-Flexible-server](../includes/applies-to-postgresql-Flexible-server.md)]
 
@@ -20,9 +20,6 @@ This article describes how you can create an Azure Active Directory (Azure AD) e
 > This guide assumes you already enabled Azure Active Directory authentication on your PostgreSQL Flexible server.
 > See [How to Configure Azure AD Authentication](./how-to-configure-sign-in-azure-ad-authentication.md)
 
-> [!NOTE]  
-> Azure Active Directory Authentication for PostgreSQL Flexible Server is currently in preview.
-
 If you like to learn about how to create and manage Azure subscription users and their privileges, you can visit the [Azure role-based access control (Azure RBAC) article](../../role-based-access-control/built-in-roles.md) or review [how to customize roles](../../role-based-access-control/custom-roles.md).
 
 ## Create or Delete Azure AD administrators using Azure portal or Azure Resource Manager (ARM) API
@@ -93,7 +90,7 @@ select * from pgaadauth_create_principal_with_oid('accounting_application', '000
 
 ## Enable Azure AD authentication for an existing PostgreSQL role using SQL
 
-Azure Database for PostgreSQL Flexible Servers uses Security Labels associated with database roles to store Azure AD mapping. During preview, we don't provide a function to associate existing Azure AD roles.
+Azure Database for PostgreSQL Flexible Servers uses Security Labels associated with database roles to store Azure AD mapping.
 
 You can use the following SQL to assign security label: