Update New-CsTeamsUnassignedNumberTreatment.md

Author: JensTrier

teams/teams-ps/teams/New-CsTeamsUnassignedNumberTreatment.md

@@ -15,9 +15,6 @@ schema: 2.0.0
 ## SYNOPSIS
 Creates a new treatment for how calls to an unassigned number range should be routed. The call can be routed to a user, an application or to an announcement service where a custom message will be played to the caller.
 
-
-> [!NOTE]
-> **Preview** The use of this cmdlet is in Public Preview.
 
 ## SYNTAX