Address review comments

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

vulnerabilities/models.py

@@ -1359,19 +1359,6 @@ class Meta:
         unique_together = ["aliases", "unique_content_id", "date_published", "url"]
         ordering = ["aliases", "date_published", "unique_content_id"]
 
-    def save(self, *args, **kwargs):
-        checksum = hashlib.md5()
-        for field in (
-            self.summary,
-            self.affected_packages,
-            self.references,
-            self.weaknesses,
-        ):
-            value = json.dumps(field, separators=(",", ":")).encode("utf-8")
-            checksum.update(value)
-        self.unique_content_id = checksum.hexdigest()
-        super().save(*args, **kwargs)
-
     def save(self, *args, **kwargs):
         advisory_data = self.to_advisory_data()
         self.unique_content_id = compute_content_id(advisory_data, include_metadata=False)