HDDS-767. OM should not search for STDOUT root logger for audit logging. Contributed by Dinesh Chitlangia.

hadoop-ozone/dist/src/main/conf/om-audit-log4j2.properties

@@ -86,5 +86,5 @@ logger.audit.appenderRefs=rolling
 logger.audit.appenderRef.file.ref=RollingFile
 
 rootLogger.level=INFO
-rootLogger.appenderRefs=stdout
-rootLogger.appenderRef.stdout.ref=STDOUT
+#rootLogger.appenderRefs=stdout
+#rootLogger.appenderRef.stdout.ref=STDOUT