old_contents: /**
   * Login service.
   */
  exports = module.exports = function(promptHandler, initiateHandler) {
    var express = require('express');
    var router = new express.Router();
    
    router.get('/', promptHandler);
    router.post('/', initiateHandler);
    
    return router;
  };
  
  exports['@implements'] = 'http://i.bixbyjs.org/http/Service';
  exports['@path'] = '/login';
  exports['@require'] = [
    './handlers/prompt',
    './handlers/initiate'
  ];
  
new_contents: /**
   * Login service.
   */
  exports = module.exports = function(promptHandler, initiateHandler) {
    var express = require('express');
    
    var router = new express.Router();
    router.get('/', promptHandler);
    
    return router;
  };
  
  exports['@implements'] = 'http://i.bixbyjs.org/http/Service';
  exports['@path'] = '/login';
  exports['@require'] = [
    './handlers/prompt'
  ];
  
subject: Remove unused route.