Removes a unit from a group or a list.
remove unit (text, name of the unit to be removed)
from group (text, the name of the group from which to remove it)
OR from list (text, the name of the list to remove it from)
The Add Unit verb.
Can specify either the from group or from list parameter, but not both.
It is safe to add or remove units from a group in the On and Off scripts of that group.