fix floating point exception

FT/FTDigitisation/src/SiPMResponse.cpp

@@ -48,8 +48,8 @@ StatusCode SiPMResponse::initialize() {
   if ( sc.isFailure() ) return Error( "Failed to initialize", sc );
 
   // initialise SiPMResponse as zero in case conditions DB fails
-  std::vector<double> times{0.0};
-  std::vector<double> values{0.0};
+  std::vector<double> times;
+  std::vector<double> values;
   if ( !existDet<DataObject>( detSvc(), m_conditionLocation.value() ) ) {
     Warning( "SiPMResponse found not in conditions DB", StatusCode::SUCCESS ).ignore();
   } else {