Duplicate utils in kuryr-lib and kuryr-libnetwork

[Dongcan Ye]

Since commit[1] had renamed kuryr utils to kuryr-libnetwork utils, but there are some duplicate codes leave behind in old repo.

[1] https://review.openstack.org/#/c/337350/6/kuryr_libnetwork/utils.py

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/362115

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/362857

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/362857
Committed: https://git.openstack.org/cgit/openstack/kuryr-libnetwork/commit/?id=bf1fc58e5d480702f403adac5d30feb4aea31a0d
Submitter: Jenkins
Branch: master

commit bf1fc58e5d480702f403adac5d30feb4aea31a0d
Author: Dongcan Ye <email address hidden>
Date: Tue Aug 30 20:59:48 2016 +0800

    Duplicate utils code in kuryr-lib and kuryr-libnetwork

    Since commit[1] had renamed kuryr utils to kuryr-libnetwork utils,
    but there are some duplicate codes between lib and libnetwork repo.

    [1] https://review.openstack.org/#/c/337350

    Change-Id: I3dbf737b2a3e23b91a756cc5ff39ff7bbf5a818c
    Closes-Bug: #1618012