swift_rsync: don't bind mount /run
swift_rsync: don't bind mount /run

This resolves an issue where the pid file exists from a previous
run of the container.

Change-Id: Id051172407f0e879d3edf18c8b2ec13734794ed2
Closes-bug: #1724559

dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates