Removing incorrect scope

Removing an incorrect scope of scheduled events

Author: adwilso

articles/virtual-machines/windows/scheduled-events.md

@@ -56,7 +56,6 @@ Scheduled events are delivered to and can be acknowleged by:
 - Standalone Virtual Machines.
 - All the VMs in an [Azure cloud service (classic)](../../cloud-services/index.yml).
 - All the VMs in an availability set.
-- All the VMs in an availability zone.
 - All the VMs in a scale set placement group. 
 
 > [!NOTE]