Remove obsolete Truth Strategy Configuration code

All Simulation jobs use the ISF TruthSvc now, so code configuring
the old-style TruthStrategies has no effect. Decays in the
Calorimeter are saved by default anyway in MC15 and MC16.

Simulation/SimulationJobOptions/share/specialConfig/preInclude.AMSB.py

@@ -68,12 +68,4 @@ if doG4SimConfig:
             simFlags.PhysicsOptions += ['CharginoPlusToMuPlusNeutralino']
             simFlags.PhysicsOptions += ['CharginoMinusToMuMinusNeutralino']
 
-    def amsb_applycalomctruthstrategy():
-## Applying the MCTruth strategies: add decays in the Calorimeter
-        from G4AtlasApps import AtlasG4Eng
-        myDecay = AtlasG4Eng.G4Eng.Dict_MCTruthStrg.get('Decay')
-        myDecay.add_Volumes('CALO::CALO', 1)
-
-    simFlags.InitFunctions.add_function("postInit", amsb_applycalomctruthstrategy)
-
 del doG4SimConfig, simdict

Simulation/SimulationJobOptions/share/specialConfig/preInclude.GMSB.py

@@ -134,12 +134,4 @@ if doG4SimConfig:
         simFlags.PhysicsOptions += ["SleptonsPhysicsTool"]
     del GMSBIndex
 
-    def gmsb_applycalomctruthstrategy():
-    ## Applying the MCTruth strategies: add decays in the Calorimeter
-        from G4AtlasApps import AtlasG4Eng
-        myDecay = AtlasG4Eng.G4Eng.Dict_MCTruthStrg.get('Decay')
-        myDecay.add_Volumes('CALO::CALO', 1)
-
-    simFlags.InitFunctions.add_function("postInit", gmsb_applycalomctruthstrategy)
-
 del doG4SimConfig, simdict