The owning organization dn is retrieved from the group's
The dn of the organization's global address list (GAL) is
retrieved from otherWellKnownObjects on the organization object and
the entry matching that GAL is removed from the showInAddressBook
property of the contact. This process is repeated for the
organization's address list (AL).
This method removes the organization from the
otherWellKnownObjects of the group.
The caller must be at least a member of role: UserCreators.