fix config version

lib/routes.js

@@ -71,7 +71,6 @@ function poll (req, res, next) {
       response.idVerificationLimit = config.idVerificationLimit
     }
 
-    console.log('DEBUG78: %j', response.balances)
     return res.json(response)
   })
   .catch(next)
@@ -423,19 +422,14 @@ function populateDeviceId (req, res, next) {
 }
 
 function populateSettings (req, res, next) {
-  if (req.query.force_config === 'true') {
-    return settingsLoader.loadLatest()
-    .then(settings => { req.settings = settings })
-    .then(() => next())
-    .catch(next)
-  }
-
   const versionId = req.headers['config-version']
   logger.debug('versionId: %s', versionId)
 
   if (!versionId) {
-    logger.debug('No config-version header')
-    return res.sendStatus(400)
+    return settingsLoader.loadLatest()
+    .then(settings => { req.settings = settings })
+    .then(() => next())
+    .catch(next)
   }
 
   settingsLoader.load(versionId)