No need to start sending licence details task on app start up

mail/apps.py

@@ -18,15 +18,11 @@ def initialize_background_tasks(cls, **kwargs):
             manage_inbox,
             schedule_licence_usage_figures_for_lite_api,
         )
-        from mail.celery_tasks import send_licence_details_to_hmrc
 
         Task.objects.filter(queue=MANAGE_INBOX_TASK_QUEUE).delete()
         Task.objects.filter(queue=LICENCE_DATA_TASK_QUEUE).delete()
 
         if settings.BACKGROUND_TASK_ENABLED:
-            # Tasks common to ICMS and LITE/SPIRE
-            send_licence_details_to_hmrc.delay()  # noqa
-
             # LITE/SPIRE Tasks
             if settings.CHIEF_SOURCE_SYSTEM == ChiefSystemEnum.SPIRE:
                 manage_inbox(repeat=settings.INBOX_POLL_INTERVAL, repeat_until=None)  # noqa