fix barrier config
fixes the configuration of the barrier in hlt1_pp_default
found due to LHCb!3693 (merged)
related to Allen!933 (merged) (@msaur that should fix the ci errors)
Requires LHCb!3693 (merged) and Allen!933 (merged) and MooreAnalysis!90 (merged)
Edited by Niklas Stefan Nolte