remove dead code

dream/platform/src2/dream/Output_viewJobGantt.js

@@ -117,15 +117,11 @@
 
           seen_parts = {};
           $.each(obj.results.schedule, function (i, schedule) {
-            var entrance_date,
-              task_start_date,
+            var task_start_date,
               job_full_id;
 
             // Filter intermediate steps in part job shop
             if (isVisibleStation(schedule.stationId)) {
-              entrance_date = new Date(start_date.getTime());
-              entrance_date.setTime(entrance_date.getTime() +
-                                    schedule.entranceTime * 1000 * 3600);
               if (schedule.exitTime) {
                 duration = 24 * (schedule.exitTime - schedule.entranceTime);
               } else {