update the about page and make it the root

controllers/home.js

@@ -5,20 +5,10 @@
 
 exports.index = function(req, res) {
   if (req.user) {
-    ch = req.user.challengesHash;
-    if (req.user.challengesHash[0] > 0) {
-      var max = Object.keys(ch).reduce(function(max, key) {
-        return (max === undefined || ch[key] > ch[max]) ? +key : max;
-      });
-      nextChallenge = max + 1;
-      res.redirect('challenges/' + nextChallenge);
-    } else {
-      res.redirect('challenges/0');
-    }
+    res.redirect('/learn-to-code')
   } else {
     res.render('home', {
-      title: 'Learn to Code and Become a Software Engineer',
-      landingPage: true
+      title: 'Learn to Code and Become a Software Engineer'
     });
   }
 };