Update closed-captions-teams-interop-how-to.md

remove public preview banner

Author: valindrae

articles/communication-services/how-tos/calling-sdk/closed-captions-teams-interop-how-to.md

@@ -17,8 +17,6 @@ zone_pivot_groups: acs-plat-web-ios-android-windows
 
 Learn how to allow your users to enable closed captions during a Teams interoperability scenario where your users might be in a meeting between an Azure Communication Services user and a Teams client user, or where your users are using Azure Communication Services calling SDK with their Microsoft 365 identity. 
 
-[!INCLUDE [Public Preview](../../../communication-services/includes/public-preview-include.md)]
-
 ::: zone pivot="platform-windows"
 [!INCLUDE [Closed captions with Windows](./includes/closed-captions/closed-captions-teams-interop-windows.md)]
 ::: zone-end