It deletes unnecessary message when sysgen is done.
It deletes unnecessary message when sysgen is done.

NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon,NIWA-Hideyuki/Fulcon,NIWA-Hideyuki/Fulcon-VirtualPlatform,NIWA-Hideyuki/Fulcon