We should use the default (False) unless we have an explicit reason,
as suggested in the guide[1].
[1] https://www.puppet.com/docs/puppet/7/types/file.html#file-attribute-selinux_ignore_defaults
In general, you should leave this set at its default and only set it
to true when you need Puppet to not try to fix SELinux labels
automatically.
Change-Id: I69ea7cb9141a646442e9f87ef64843f04fcc2a65