If the VM was reset via "/sbin/reboot" or "shutdown -r",
then it is no longer necessary to "bhyvectl --destroy" the VM when it reboots.
Move the "bhyvectl --destroy" outside of the while loop.

Reviewed by: neel


git-svn-id: svn+ssh://svn.freebsd.org/base/head@270513 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f