CaloTPCnv+CaloAthenaPool: Change TP converters to use standard base classes.
Many TP converters in this package derived from ITPCnvBase directly, rather than using the base classes in AthenaPoolCnvSvc. Update them to use the standard base classes.
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Many TP converters in this package derived from ITPCnvBase directly, rather than using the base classes in AthenaPoolCnvSvc. Update them to use the standard base classes.