fix: Add gather facts set to false to validate_bootstrap_vars.yml (#496)
fix: Add gather facts set to false to validate_bootstrap_vars.yml (#496)

When any pup module is called that utilizes validate_bootstrap_vars.yml ,
the system hangs and fails to progress i.e.  pup validate --config-file.
When fact gathering is set to false, the deployer is able to
proceed with WMLA setup.
open-power-ref-design-toolkit/cluster-genesis,open-power-ref-design-toolkit/cluster-genesis