::::::::::No, we need to show to readers that it is the official residence of the Governor General of Canada, which we already do in the lead sentence. The person filling the role of governor general may or may not occupy the building at any given time, or may choose never to "move in" at all. In any event, physical occupancy has nothing to do with the status of the building and grounds once so ever. If you want to talk about the current governor general's living habits, do so at David Johnston's wiki page.