reduce parameter not used in "_populate_user"

[Liusheng]

the method "_populate_user" in /keystone/token/providers/common.py have two parameters (domain_id and project_id)not used. The method is used only in the python file. the two parameters should be reduced

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/63266

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/63266
Committed: https://git.openstack.org/cgit/openstack/keystone/commit/?id=9e7fdb36801e4076e45cb92d8c978b129685d9c9
Submitter: Jenkins
Branch: master

commit 9e7fdb36801e4076e45cb92d8c978b129685d9c9
Author: ls1175 <email address hidden>
Date: Fri Dec 20 10:08:16 2013 +0800

    Reduced parameters not used in _populate_user()

    The method "_populate_user" in /keystone/token/providers/common.py have
    two parameters (domain_id and project_id)not used. the two parameters
    should be reduced

    Change-Id: I30e750f756259bb14ca8626c416f1511a0dc2537
    Closes-bug: #1262589