Remove unused TrackingGeometrySvc from SiSmearedDigitizationTool
requested to merge goetz/athena:ATLASRECTS-5899_master_remove_unused_TrackingGeometrySvc into master
Remove unused TrackingGeometrySvc from SiSmearedDigitizationTool, fix to currently non-working jobOptions which utilise the SiSmearedDigitization.
This address ATLASRECTS-5899.