Merge branch '21p0-DigitizationFlags-dupe_class_removal' into '21.0'

Update Simulation/Digitization/python/DigitizationFlags.py

See merge request atlas/athena!14410

Former-commit-id: e34be7c2ea0f6ae8cb15d0c614229cc99918e02f

Simulation/Digitization/python/DigitizationFlags.py

@@ -240,32 +240,6 @@ class doHighPtMinBias(JobProperty):
     def _undo_action(self):
         jobproperties.Digitization.HighPtMinBiasInputCols.set_Off()
 
-#
-class doLowPtMinBias(JobProperty):
-    """ Superimpose mixed low pt minimum bias events (pile-up) on signal events?
-         --> will activate the default LowPtMinBiasInputCols as well
-    """
-    statusOn=False
-    allowedTypes=['bool']
-    StoredValue=False
-    def _do_action(self):
-        jobproperties.Digitization.LowPtMinBiasInputCols.set_On()
-    def _undo_action(self):
-        jobproperties.Digitization.LowPtMinBiasInputCols.set_Off()
-
-#
-class doHighPtMinBias(JobProperty):
-    """ Superimpose mixed high pt minimum bias events (pile-up) on signal events?
-         --> will activate the default HighPtMinBiasInputCols as well
-    """
-    statusOn=False
-    allowedTypes=['bool']
-    StoredValue=False
-    def _do_action(self):
-        jobproperties.Digitization.HighPtMinBiasInputCols.set_On()
-    def _undo_action(self):
-        jobproperties.Digitization.HighPtMinBiasInputCols.set_Off()
-
 #
 class doCavern(JobProperty):
     """ Superimpose cavern events on signal events?