Update apache-hadoop-on-premises-migration-motivation.md

Freshness Index Improvement MS date change

Author: sreekzz

articles/hdinsight/hadoop/apache-hadoop-on-premises-migration-motivation.md

@@ -5,7 +5,7 @@ ms.reviewer: ashishth
 ms.service: hdinsight
 ms.custom: hdinsightactive
 ms.topic: how-to
-ms.date: 11/15/2019
+ms.date: 04/28/2022
 ---
 
 # Migrate on-premises Apache Hadoop clusters to Azure HDInsight - motivation and benefits