During the config-download deployment, the zaqar messages get extra line
breaks at the end of it so we end up with extra line breaks in the
middle of the ansible logs. If we want to switch to tripleo_dense, we
need to stop having these extra line breaks added.
Change-Id: I19fd619e457d5df080a0f4c28ebb8235f08cca0f
Closes-Bug: #1895582