remove docker workaround for systemd

[Sergey Kulanov]

We can remove workaround for systemd from docker [1], since the centos:centos7 image was updated successfully:

[root@482166fda4ae /]# yum --disablerepo=* --enablerepo=C7.1.1503-base --enablerepo=C7.1.1503-extras --enablerepo=C7.1.1503-updates -y swap -- remove systemd-container systemd-container-libs -- install systemd systemd-libs
Loaded plugins: fastestmirror
No Match for argument: systemd-container
No Match for argument: systemd-container-libs
swap remove systemd-container systemd-container-libs
[root@482166fda4ae /]# yum --disablerepo=* --enablerepo=C7.1.1503-base --enablerepo=C7.1.1503-extras --enablerepo=C7.1.1503-updates -y remove systemd-container systemd-container-libs
Loaded plugins: fastestmirror
No Match for argument: systemd-container
No Match for argument: systemd-container-libs
No Packages marked for removal
[root@482166fda4ae /]# yum --disablerepo=* --enablerepo=C7.1.1503-base --enablerepo=C7.1.1503-extras --enablerepo=C7.1.1503-updates -y install systemd systemd-libsLoaded plugins: fastestmirror
C7.1.1503-base | 3.6 kB 00:00:00
C7.1.1503-extras | 3.4 kB 00:00:00
C7.1.1503-updates | 3.4 kB 00:00:00
(1/4): C7.1.1503-extras/x86_64/primary_db | 120 kB 00:00:00
(2/4): C7.1.1503-base/x86_64/group_gz | 154 kB 00:00:00
(3/4): C7.1.1503-base/x86_64/primary_db | 5.1 MB 00:00:01
(4/4): C7.1.1503-updates/x86_64/primary_db | 4.7 MB 00:00:01
Determining fastest mirrors
Package matching systemd-208-20.el7_1.6.x86_64 already installed. Checking for update.
Package matching systemd-libs-208-20.el7_1.6.x86_64 already installed. Checking for update.
Nothing to do

[1]. https://github.com/openstack/fuel-main/blob/master/docker/fuel-centos-build/Dockerfile#L10-L14

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/265789

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/265789
Committed: https://git.openstack.org/cgit/openstack/fuel-main/commit/?id=1471117be34a1e43ad8dbe43e77fd395df49831e
Submitter: Jenkins
Branch: master

commit 1471117be34a1e43ad8dbe43e77fd395df49831e
Author: Sergey Kulanov <email address hidden>
Date: Mon Jan 11 13:59:42 2016 +0200

    Remove systemd-container workaround for docker

    Since centos:centos7 image was updated in upstream we don't need
    systemd workarounds anymore

    Change-Id: Ie3f30def2f43fdf75e48438e294bc94c00e4e60a
    Closes-bug: #1532773

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/8.0
Review: https://review.openstack.org/265869

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/265869
Committed: https://git.openstack.org/cgit/openstack/fuel-main/commit/?id=cecae4163e6aa4d393d062380cd19cf8ad1b05ac
Submitter: Jenkins
Branch: stable/8.0

commit cecae4163e6aa4d393d062380cd19cf8ad1b05ac
Author: Sergey Kulanov <email address hidden>
Date: Mon Jan 11 13:59:42 2016 +0200

    Remove systemd-container workaround for docker

    Since centos:centos7 image was updated in upstream we don't need
    systemd workarounds anymore

    Change-Id: Ie3f30def2f43fdf75e48438e294bc94c00e4e60a
    Closes-bug: #1532773
    (cherry picked from commit 1471117be34a1e43ad8dbe43e77fd395df49831e)