TrigT1TGC → TrigConfiguration Relation

File in Trigger/TrigT1/TrigT1TGC	Includes file in Trigger/TrigConfiguration
src / LVL1TGCTrigger.cxx	TrigConfL1Data / TrigConfL1Data / ThresholdConfig.h
src / LVL1TGCTrigger.cxx	TrigConfL1Data / TrigConfL1Data / TriggerThreshold.h