Removed redundant req.assert for empty email

Swapped code order of a few things in app.js to make it more consistent in terms of coding style

app.js

@@ -11,12 +11,6 @@ var mongoose = require('mongoose');
 var passport = require('passport');
 var expressValidator = require('express-validator');
 
-/**
- * Create Express server.
- */
-
-var app = express();
-
 /**
  * Load controllers.
  */
@@ -33,6 +27,13 @@ var contactController = require('./controllers/contact');
 var secrets = require('./config/secrets');
 var passportConf = require('./config/passport');
 
+/**
+ * Create Express server.
+ */
+
+var app = express();
+
+
 /**
  * Mongoose configuration.
  */