Fix link errors in randomAPIs

server/boot/randomAPIs.js

@@ -215,13 +215,6 @@ module.exports = function(app) {
     });
   }
 
-  function catPhotoSubmit(req, res) {
-    res.send(
-      'Success! You have submitted your cat photo. Return to your website ' +
-      'by typing any letter into your code editor.'
-    );
-  }
-
   function sponsors(req, res) {
     res.render('sponsors/sponsors', {
       title: 'The Sponsors who make Free Code Camp Possible'