Merge pull request #436 in RMS/api-main-service from gladys-dev2 to RMSv2

* commit '0b6bb1d6':
  remove signals

app/entities/models.py

@@ -9,9 +9,6 @@ from . import enums
 from django.utils.text import slugify
 from datetime import timedelta
 
-from django.db.models.signals import post_delete
-from django.dispatch import receiver
-
 # ********************* AUTH TABLES *********************
 
 
@@ -455,9 +452,6 @@ class MasterAttachment(models.Model):
     class Meta:
         db_table = 'master_attachments'
 
-@receiver(post_delete, sender=MasterAttachment)
-def submission_delete(sender, instance, **kwargs):
-    instance.file.delete(False)
 
 class BaseAttachment(models.Model):
     attachment_type = models.CharField(max_length=255)