remove commented part of ExceptionHandlingDecorator - 'void doPreRead()...

remove commented part of ExceptionHandlingDecorator - 'void doPreRead() override' and its implementation

include/ExceptionHandlingDecorator.h

@@ -34,9 +34,6 @@ namespace ChimeraTK {
 
     TransferFuture doReadTransferAsync() override;
 
-    
-    //void doPreRead() override;
-    
     DataValidity dataValidity() const override;
 
     void interrupt() override;

src/ExceptionHandlingDecorator.cc

@@ -98,15 +98,6 @@ namespace ChimeraTK {
     return future;
   }
 
-  
-  /*
-  template<typename UserType>
-  void ExceptionHandlingDecorator<UserType>::doPreRead() {
-    genericTransfer([this]() { return ChimeraTK::NDRegisterAccessorDecorator<UserType>::doPreRead(), true; });
-  }
-  */
-  
-
   template<typename UserType>
   DataValidity ExceptionHandlingDecorator<UserType>::dataValidity() const {
     // faulty Validity from the decorated class takes precedence over our own