remove(child, destroy, silent) → {boolean}
 Removes the given child from this group. This will dispatch an onRemovedFromGroup event from the child (if it has one), and optionally destroy the child. If the group cursor was referring to the removed child it is updated to refer to the next child. 
Parameters
Name Type Argument Default Description child  any      The child to remove. destroy  boolean   <optional>  false  If true destroy will be invoked on the removed child. silent  boolean