Remove observer status

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

draw/models.py

@@ -396,10 +396,6 @@ class Pool(models.Model):
                 reporter=tds[line[2]].participation,
                 defender_penalties=tds[line[0]].penalty_int,
             )
-            if self.size == 4:
-                # Add observer for 4-teams pools
-                passage.observer = tds[line[3]].participation
-                await passage.asave()
 
         # Update Google Sheets
         if os.getenv('GOOGLE_PRIVATE_KEY_ID', None):