Remove -H fd:// for docker.service in the baremetal role

Change-Id: I9232c10448773410a9b7cf932f68696d69bd0462
Closes-Bug: #1651816

ansible/roles/baremetal/templates/docker_systemd_service.j2

 [Service]
 MountFlags=shared
 ExecStart=
-ExecStart=/usr/bin/docker daemon \
-{% if docker_registry %}
---insecure-registry  {{ docker_registry }} \
-{% endif %}
-{% if docker_storage_driver %}
---storage-driver={{ docker_storage_driver }}
-{% endif %}
- -H fd://
+ExecStart=/usr/bin/docker daemon{% if docker_registry %} --insecure-registry {{ docker_registry }}{% endif %}{% if docker_storage_driver %} --storage-driver {{ docker_storage_driver }}{% endif %}