Revert "Only su within container if container_user is provided"
Revert "Only su within container if container_user is provided"

This reverts commit 85259066cf59ff4aa666cc5d05746fe990fd2a0e.

Change-Id: I7b819721e1eef39f28af5d4d6fb45a43047ede28

openstack/openstack-ansible-plugins,openstack/openstack-ansible-plugins