How to remove cluster warning: ESXi Shell for the Host has been enabled

When taking Vmware ESXi hosts out of maintenance mode, I used to see this all the time.  You can ignore if you know that you have the shell enabled, but found this method to suppress the warning...

Reference:
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2003637