Labels are now, outside US/CA/UK, just name+city+country.
Deduping now only occurs on the first 2 parts of the labels which fixes the "Luxembourg, Luxembourg" issue.
The reason for this switch is that special case logic is needed to determine the US state name to display. All other fields can be looked up by name.
The burden of fallback functionality is now in `helper/labelSchema` so the burden of unit testing is now in `test/unit/helper/labelSchema.js`