clean code

lib/form/admin/securityGeneral.js

@@ -13,4 +13,3 @@ module.exports = form(
   field('settingForm[security:registrationMode]').required(),
   field('settingForm[security:registrationWhiteList]').custom(normalizeCRLF).custom(stringToArray)
 );
-

lib/form/admin/slackSetting.js

@@ -6,4 +6,3 @@ var form = require('express-form')
 module.exports = form(
   field('slackSetting[slack:token]', 'token')
 );
-