remove unused vars

`fPositivePolarity` is inferred during configuration

Author: lynnt20

sbndcode/OpDetSim/DigiPMTSBNDAlg.hh

@@ -81,8 +81,6 @@ namespace opdet {
       bool MakeGainFluctuations; //Fluctuate PMT gain
       fhicl::ParameterSet GainFluctuationsParams;
       bool SimulateNonLinearity; //Fluctuate PMT gain
-      bool PositivePolarity;
-      bool OscillateAfterPulse;
       bool UseDataNoise;
       fhicl::ParameterSet NonLinearityParams;
 
@@ -135,8 +133,6 @@ namespace opdet {
         return fParams.PMTBaseline;
       }
 
-    void AddOscillationAfterPulse( std::vector<double>& wave);
-
   private:
 
     ConfigurationParameters_t fParams;