Fix LHCb__UnpackRawEvent output level

Fix LHCb__UnpackRawEvent output level configuration. Probably just a debugging artifact.

FYI @sstahl

mentioned in merge request !3036 (merged)

Thanks a lot for this @lmeyerga. ci-test pipeline is super full right now so let's put this into lhcb-head-2 for the night

added lhcb-head-2 label

@lmeyerga actually we need to test some core soft stuff in the infrastructure anyway, so let's try this:

/ci-test --merge --platforms=x86_64_v2-centos7-gcc10-opt

added ci-test-triggered label

• [2021-09-06 15:12] Validation started with lhcb-master-mr#2840

removed lhcb-head-2 label

resolved all threads

merged

mentioned in commit 6cd53d54

added Persistency cleanup labels

removed Persistency label

added Configuration label