tauRecTools: move TauPi0ClusterScaler to src

There are some errors related to the ElementLink when compiling
TauPi0ClusterScaler in AnalysisBase. Since we do not use this
tool in AnalysisBase, it is moved to src.

Reconstruction/tauRecTools/Root/LinkDef.h

 /*
-  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
+  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 */
 
 #include "tauRecTools/TauCalibrateLC.h"
@@ -25,10 +25,6 @@
 #pragma link off all functions;
 #pragma link C++ nestedclass;
 
-#endif
-
-#ifdef __CINT__
-
 #pragma link C++ class TauCalibrateLC+;
 #pragma link C++ class TauCommonCalcVars+;
 #pragma link C++ class TauSubstructureVariables+;

Reconstruction/tauRecTools/Root/TauPi0ClusterScaler.cxx → Reconstruction/tauRecTools/src/TauPi0ClusterScaler.cxx

@@ -12,7 +12,7 @@
 
 #include <vector>
 
-#include "tauRecTools/TauPi0ClusterScaler.h"
+#include "TauPi0ClusterScaler.h"
 #include "xAODTau/TauJet.h"
 #include "xAODPFlow/PFO.h"
 #include "tauRecTools/ITauToolBase.h"

Reconstruction/tauRecTools/src/components/tauRecTools_entries.cxx

@@ -8,8 +8,10 @@
 #include "../TauShotFinder.h"
 #include "../TauPi0ClusterCreator.h"
 #include "../TauPi0CreateROI.h"
+#include "../TauPi0ClusterScaler.h"
 #include "../TauVertexVariables.h"
 #endif
+
 #include "tauRecTools/TauCalibrateLC.h"
 #include "tauRecTools/TauCommonCalcVars.h"
 #include "tauRecTools/TauSubstructureVariables.h"
@@ -18,7 +20,6 @@
 #include "tauRecTools/TauTrackClassifier.h"
 #include "tauRecTools/TauTrackRNNClassifier.h"
 #include "tauRecTools/CombinedP4FromRecoTaus.h"
-#include "tauRecTools/TauPi0ClusterScaler.h"
 #include "tauRecTools/TauPi0ScoreCalculator.h"
 #include "tauRecTools/TauPi0Selector.h"
 #include "tauRecTools/TauWPDecorator.h"
@@ -37,6 +38,7 @@ DECLARE_COMPONENT( TauElectronVetoVariables )
 DECLARE_COMPONENT( TauShotFinder )
 DECLARE_COMPONENT( TauPi0ClusterCreator )
 DECLARE_COMPONENT( TauPi0CreateROI )
+DECLARE_COMPONENT( TauPi0ClusterScaler )
 DECLARE_COMPONENT( TauVertexVariables )
 #endif
 
@@ -50,7 +52,6 @@ DECLARE_COMPONENT( tauRecTools::TrackRNN )
 DECLARE_COMPONENT( CombinedP4FromRecoTaus )
 DECLARE_COMPONENT( TauSubstructureVariables )
 DECLARE_COMPONENT( TauCommonCalcVars )
-DECLARE_COMPONENT( TauPi0ClusterScaler )
 DECLARE_COMPONENT( TauPi0ScoreCalculator )
 DECLARE_COMPONENT( TauPi0Selector )
 DECLARE_COMPONENT( TauWPDecorator )