ROIElement: Remove toString()

reader/JFJochReaderImage.cpp

@@ -205,7 +205,6 @@ void JFJochReaderImage::CalcROI(const ROIElement *input) {
     std::unique_lock ul(roi_mutex);
 
     if (!input) {
-        roi_description = "";
         roi = {};
         return;
     }
@@ -230,7 +229,6 @@ void JFJochReaderImage::CalcROI(const ROIElement *input) {
             }
         }
     }
-    roi_description = input->toString();
 
     roi = ROIMessage{
             .sum = roi_val,
@@ -280,7 +278,3 @@ std::shared_ptr<JFJochReaderDataset> JFJochReaderImage::CreateMutableDataset() {
 int32_t JFJochReaderImage::GetAutoContrastValue() const {
    return auto_foreground;
 }
-
-std::string JFJochReaderImage::GetROIDescription() const {
-    return roi_description;
-}

reader/JFJochReaderImage.h

@@ -25,7 +25,6 @@ class JFJochReaderImage {
     std::unordered_set<int64_t> saturated_pixel;
     std::unordered_set<int64_t> error_pixel;
     std::vector<std::pair<int32_t, int32_t>> valid_pixel;
-    std::string roi_description;
     std::optional<ROIMessage> roi;
     mutable std::mutex roi_mutex;
 
@@ -50,7 +49,6 @@ public:
     const JFJochReaderDataset &Dataset() const;
 
     const std::optional<ROIMessage> &GetROI() const;
-    std::string GetROIDescription() const;
 
     void AddImage(const JFJochReaderImage& other);
     std::vector<float> GetAzInt1D() const;