rm "virtual"

Device/Detector/IDetector.h

@@ -180,7 +180,7 @@ protected:
     virtual std::string axisName(size_t index) const = 0;
 
     //! Generates an axis with correct name and default binning for given index
-    virtual std::unique_ptr<IAxis> createAxis(size_t index, size_t n_bins, double min,
+    std::unique_ptr<IAxis> createAxis(size_t index, size_t n_bins, double min,
                                               double max) const;
 
     //! Return 0 if no ROI has been explicitly set.