PFODQA: Fix clang warning.

Unused private data member.

Reconstruction/PFlow/PFlowValidation/PFODQA/src/LeptonNFEValidationPlots.h

@@ -33,7 +33,5 @@ class LeptonNFEValidationPlots : public PlotBase {
   PFO::LeptonFELinkerPlots m_ElectronMatchedNFEPlots;
   PFO::LeptonFELinkerPlots m_MuonMatchedNFEPlots;
   PFO::LeptonFELinkerPlots m_TauJetMatchedNFEPlots;
-
-  bool m_isNeutral=false;
 };
 #endif