v3: misc fixes

website/server/controllers/api-v2/auth.js

@@ -134,7 +134,6 @@ api.registerUser = function(req, res, next) {
         user.save(function(err, savedUser){
           if (err) return cb(err);
           // Clean previous email preferences
-          // TODO when emails added to EmailUnsubcription they should use lowercase version
           EmailUnsubscription.remove({email: savedUser.auth.local.email}, function(){
             utils.txnEmail(savedUser, 'welcome');
           });