Unify the config routes into /api/v1/config

No more separate config routes for different types of user

src/routes/index.js

@@ -19,6 +19,5 @@ exports = module.exports = {
     sysadmin: require('./sysadmin.js'),
     settings: require('./settings.js'),
     ssh: require('./ssh.js'),
-    user: require('./user.js'),
     users: require('./users.js')
 };