Fix barbican model

Pillar cannot be rendered currently, barbican_version is
required but undefined.

Change-Id: Ia784c39de8dce970e65f17d4a45c6e0620693cab
Related-Prod: https://mirantis.jira.com/browse/PROD-20129
(cherry picked from commit 51f8352f4be87bc574ea7d4baf5ed6f08702be5d)
1 file changed
tree: f56189506cdc4013ebf4d1910b3f71488904b45e
  1. classes/
  2. .gitmodules
  3. .gitreview