TrigSteer → TrigConfL1Data Relation

File in Trigger/TrigSteer	Includes file in Trigger/TrigConfiguration/TrigConfL1Data
HLTSeeding / src / HLTSeedingNoCtpForTesting.cxx	TrigConfL1Data / ThresholdConfig.h
HLTSeeding / src / HLTSeedingNoCtpForTesting.cxx	TrigConfL1Data / TriggerThreshold.h
HLTSeeding / src / RoIsUnpackingToolBase.cxx	TrigConfL1Data / TriggerItem.h