do not decrease directory or subdomain quota when user deletes a subdomain/directory

app/models.py

@@ -2034,10 +2034,6 @@ class CustomDomain(Base, ModelMixin):
         if obj.is_sl_subdomain:
             DeletedSubdomain.create(domain=obj.domain)
 
-        user = obj.user
-        user._subdomain_quota -= 1
-        Session.flush()
-
         return super(CustomDomain, cls).delete(obj_id)
 
     @property
@@ -2202,9 +2198,6 @@ class Directory(Base, ModelMixin):
         DeletedDirectory.create(name=obj.name)
         cls.filter(cls.id == obj_id).delete()
 
-        user = obj.user
-        user._directory_quota -= 1
-
         Session.commit()
 
     def __repr__(self):