Apply suggestions from code review

Author: adamjmcgrath

auth0/v3/authentication/passwordless.py

@@ -28,8 +28,6 @@ def email(self, email, send="link", auth_params=None):
         Complete the authentication using the get_token.passwordless_login method.
 
         Args:
-            client_id (str): Client Id of the application.
-
             email (str): Email address.
 
             send (str, optional): Can be: 'link' or 'code'. Defaults to 'link'.

auth0/v3/authentication/users.py

@@ -2,8 +2,6 @@
 
 from auth0.v3.rest import RestClient, RestClientOptions
 
-from .base import AuthenticationBase
-
 
 class Users(object):
     """Users client.