Revert "#110 | set first run trigger startTime to now"

This reverts commit 4a29cee.

src/main/java/org/avniproject/etl/controller/backgroundJob/EtlJobController.java

@@ -106,7 +106,7 @@ private Trigger getHigherPriorityTriggerForFirstRun(JobScheduleRequest jobSchedu
                 .withIdentity(scheduledJobConfig.getTriggerKey(jobScheduleRequest.getEntityUUID() + "run1", jobScheduleRequest.getJobGroup()))
                 .forJob(jobDetail)
                 .withSchedule(simpleSchedule().withMisfireHandlingInstructionFireNow())
-                .startNow()
+                .startAt(DateTimeUtil.nowMinusMinutes(30))
                 .withPriority(6) //higher than default (5)
                 .build();
         return trigger;