Merge branch 'removeConverters.xAODTrackingAthenaPool-20190922' into 'master'

...kingAthenaPool/src/xAODNeutralParticleAuxContainerCnv.cxx

...ackingAthenaPool/src/xAODNeutralParticleAuxContainerCnv.h

...rackingAthenaPool/src/xAODNeutralParticleContainerCnv.cxx

...DTrackingAthenaPool/src/xAODNeutralParticleContainerCnv.h

.../xAODTrackingAthenaPool/src/xAODSCTRDOAuxContainerCnv.cxx

...OD/xAODTrackingAthenaPool/src/xAODSCTRDOAuxContainerCnv.h

...AOD/xAODTrackingAthenaPool/src/xAODSCTRDOContainerCnv.cxx

.../xAOD/xAODTrackingAthenaPool/src/xAODSCTRDOContainerCnv.h

...ool/src/xAODTrackMeasurementValidationAuxContainerCnv.cxx

...aPool/src/xAODTrackMeasurementValidationAuxContainerCnv.h

...naPool/src/xAODTrackMeasurementValidationContainerCnv.cxx

...henaPool/src/xAODTrackMeasurementValidationContainerCnv.h

...ackingAthenaPool/src/xAODTrackParticleAuxContainerCnv.cxx

...TrackingAthenaPool/src/xAODTrackParticleAuxContainerCnv.h

...ingAthenaPool/src/xAODTrackParticleAuxContainerCnv_v1.cxx

...ckingAthenaPool/src/xAODTrackParticleAuxContainerCnv_v1.h

...ingAthenaPool/src/xAODTrackParticleAuxContainerCnv_v2.cxx

...ckingAthenaPool/src/xAODTrackParticleAuxContainerCnv_v2.h

...ingAthenaPool/src/xAODTrackParticleAuxContainerCnv_v3.cxx

...ckingAthenaPool/src/xAODTrackParticleAuxContainerCnv_v3.h