Fix "WARNING: there should be a single space before '=>'" newly
detected by new puppet-lint.
Note that [ssl] enable option in an example file is removed because
the option no longer exists in keystone.
Change-Id: Ief08abd4217f661ebaa240efbbc3cdfe88e52030
(cherry picked from commit fb53f21702)
(cherry picked from commit 9c0a6c1fdc)
(cherry picked from commit 9e04836f56)