remove closing db

NodeAPI/index.js

@@ -52,8 +52,6 @@ app.post('/predict', (req,res) => {
           
           // Insert the record to the collection, throw error if insert unsuccessful
           collection.insert(rec, {w:1}, function(err, result) {});
-        }, function(){
-          db.close();
         });
 
         res.render('predictions',{predictions:JSON.parse(JSON.parse(body).predictionText)})
@@ -74,7 +72,6 @@ app.get('/submissions', function (req, res) {
     cursor.forEach(function(doc, err){
       resultArray.push(doc)
     }, function(){
-      db.close();
       res.render('submissions', {items: resultArray});
     });
   });