Continue to remove old perm system

users/models.py

@@ -41,14 +41,6 @@ class User(AbstractUser):
 
     REQUIRED_FIELDS = ['first_name', 'last_name', 'email']
 
-    def has_perms(self, perms, obj=None):
-        for perm in perms:
-            try:
-                Right.objects.get(user=self, right__listright=perm)
-                return True
-            except Right.DoesNotExist:
-                return False
-
     @property
     def is_adherent(self):
         last_adh_year = Adhesion.objects.all().order_by(