Remove client from sub generator.

doc.md

@@ -132,7 +132,7 @@ Default is `60*10`.
 OPTIONAL. Subject Identifier. A locally unique and never reassigned identifier within the Issuer for the End-User, which is intended to be consumed by the Client.
 Is a function that receives both `user` and `client` objects. Default is:
 ```python
-def default_sub_generator(user, client):
+def default_sub_generator(user):
 
     return user.id
 ```

oidc_provider/lib/endpoints/token.py

@@ -58,8 +58,7 @@ class TokenEndpoint(object):
     def create_response_dic(self):
 
         sub = settings.get('OIDC_IDTOKEN_SUB_GENERATOR')(
-            user=self.code.user,
-            client=self.client)
+            user=self.code.user)
 
         id_token_dic = create_id_token(
             iss=settings.get('SITE_URL'),

oidc_provider/settings.py

@@ -3,7 +3,7 @@ from django.conf import settings
 from oidc_provider.lib.claims import AbstractScopeClaims
 
 
-def default_sub_generator(user, client):
+def default_sub_generator(user):
 
     return user.id