remove mysql 8 preview

Author: ajlam

articles/mysql/concepts-supported-versions.md

@@ -5,7 +5,7 @@ author: ajlam
 ms.author: andrela
 ms.service: mysql
 ms.topic: conceptual
-ms.date: 12/09/2019
+ms.date: 12/12/2019
 ---
 # Supported Azure Database for MySQL server versions
 
@@ -32,9 +32,6 @@ Refer to the MySQL [release notes](https://dev.mysql.com/doc/relnotes/mysql/5.7/
 
 ## MySQL Version 8.0
 
-> [!IMPORTANT]
-> MySQL 8.0 is currently in preview.
-
 Bug fix release: 8.0.15
 
 Refer to the MySQL [release notes](https://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-15.html) to learn more about improvements and fixes in this version.