TriggerMenuMT+TriggerJobOpts+TrigHLTJetHypo: Move some messages from INFO to DEBUG

As the Run-3 Trigger Menu complexity grows, some detailed messages which were previously fine start dominating the log files. Move some of these detailed messages from the INFO level to DEBUG to avoid printing overly verbose information by default. This reduces the INFO-level log of test_trig_data_v1Dev_build by around 5200 lines corresponding to 0.9 MB.