Remove info messages from UTT hypos and L2LayerNumberTool

Benjamin Kerridgerequested to merge
bkerridg/athena:bkerridg_fix_llphypo_messages into 24.0

Messages were being printed in initialize from hypo tools and TrigL2LayerNumberingTool. Not relevant in normal operation. Converting to debug

ATR-28980 ATR-28978

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