Remove _get_compute_info from filter_scheduler.py

[Guangya Liu (Jay Lau)]

Now in filter_scheduler.py, _get_compute_info has no use now and no one is calling it, so we can remove it directly.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/47665

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/47665
Committed: http://github.com/openstack/nova/commit/331d4d12a784def28341d97c071f42c7de79d76d
Submitter: Jenkins
Branch: master

commit 331d4d12a784def28341d97c071f42c7de79d76d
Author: Jay Lau <email address hidden>
Date: Sat Sep 21 10:42:59 2013 +0800

    Remove _get_compute_info from filter_scheduler.py

    After patch I6de33ada6dc377e20f8df07da92244f2c150b9fe and
    Ie6f104368140b69a60e124ea96ef6bf7715fe34e, in filter_scheduler.py,
    _get_compute_info has no use and no one is calling it, so we
    can remove it directly.

    Fix bug 1228475

    Change-Id: Ia85068e402b6f0b2a9ed2a809d1c1dc63e0f3041