never show hyphenatedSubdomains UI

can't think of a case where this is required in the UI. for the hosting
provider, they will have to do API automation for the initial domain
setup anyway.

src/js/setupdns.js

@@ -237,7 +237,6 @@ app.controller('SetupDNSController', ['$scope', '$http', '$timeout', 'Client', f
 
             $scope.instanceId = search.instanceId;
             $scope.provider = status.provider;
-            $scope.hyphenatedSubdomains = status.edition === 'hostingprovider';
             $scope.state = 'initialized';
         });
     }