This interface has been deprecated since OpenOffice.org initial CVS
import, and there does not appear to have been an implementation of it,
though strangely there was client code using it until 2007.

EXISTENCE: published key "/UCR/com/sun/star/util/XArchiver" exists only
in registry 1

Change-Id: I8efa29a3d375d7c5c77ae47592b23bec4072d7a0