Update title of Azure Monitor Alerts article - Remove Preview

Author: spelluru

articles/event-grid/handler-azure-monitor-alerts.md

@@ -10,7 +10,7 @@ author: robece
 ms.author: robece
 ---
 
-# How to send events to Azure monitor alerts (Preview)
+# How to send events to Azure monitor alerts
 
 This article describes how Azure Event Grid delivers Azure Key Vault events as Azure Monitor alerts.