remove unwanted commands

Author: phiphi282

http/courseEntryHandler.go

@@ -3,12 +3,10 @@ package http
 import (
 	"encoding/json"
 	"github.com/eduboard/backend"
-	"github.com/eduboard/backend/upload"
 	"github.com/eduboard/backend/url"
 	"github.com/julienschmidt/httprouter"
 	"gopkg.in/mgo.v2/bson"
 	"net/http"
-	"strconv"
 	"time"
 )