Merge branch 'cherry-pick-89c73dbe-22.0-mc20' into '22.0-mc20'

Sweeping !48060 from master to 22.0-mc20.
Remove special treatment for disappearing tracks

See merge request atlas/athena!48747

InnerDetector/InDetExample/InDetRecExample/share/ConfiguredNewTrackingSiPattern.py

@@ -601,8 +601,6 @@ class  ConfiguredNewTrackingSiPattern:
               InDetAmbiguityScoreProcessor.sharedProbCut2            = prob2
               if NewTrackingCuts.extension() == "":
                  InDetAmbiguityScoreProcessor.SplitClusterMap_old  = ""
-              elif NewTrackingCuts.extension() == "Disappearing":
-                 InDetAmbiguityScoreProcessor.SplitClusterMap_old  = InDetKeys.SplitClusterAmbiguityMap()
               InDetAmbiguityScoreProcessor.SplitClusterMap_new  = InDetKeys.SplitClusterAmbiguityMap()+NewTrackingCuts.extension()
 
          if NewTrackingCuts.mode() == "Pixel" or NewTrackingCuts.mode() == "DBM":