Fix docker daemon proxy support in vagrant
Fix docker daemon proxy support in vagrant

There was an unwanted line break in the systemd file preventing the proxy from
being configured correctly.

TrivialFix

Change-Id: I3e6413d4f2d373951cb558e0af1b8bc92d4cbb91

openstack/kolla,mandre/kolla,coolsvap/kolla,stackforge/kolla,nihilifer/kolla,mandre/kolla,intel-onp/kolla,openstack/kolla,mrangana/kolla,intel-onp/kolla,dardelean/kolla-ansible,coolsvap/kolla,rahulunair/kolla,rahulunair/kolla,coolsvap/kolla,mrangana/kolla,nihilifer/kolla,stackforge/kolla,mandre/kolla,stackforge/kolla,dardelean/kolla-ansible,GalenMa/kolla,GalenMa/kolla,dardelean/kolla-ansible