FAH/WS-ostree: Use unified lorax templates
This makes ws-ostree match AH more, which should reduce maintenance pain.
See: https://pagure.io/fedora-lorax-templates/pull-request/21
(cherry picked from commit d310ecc93917a48bac99ab234d40882af53955b7)
Signed-off-by: Dusty Mabe <dusty@dustymabe.com>