IDPVM legacy config clean up

Self-explanatory

InnerDetector/InDetValidation/InDetPhysValMonitoring/python/HistogramDefinitionSvc.py

-# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
-from InDetRecExample.TrackingCommon import setDefaults
-
-
-def getHistogramDefinitionSvc(**kwargs):
-    import InDetPhysValMonitoring.InDetPhysValMonitoringConf
-    kwargs = setDefaults(kwargs,
-                         DefinitionSource="InDetPVMPlotDefRun2.xml",
-                         DefinitionFormat="text/xml")
-    return InDetPhysValMonitoring.InDetPhysValMonitoringConf.HistogramDefinitionSvc(**kwargs)