Removes migration stub headers superseded by codegen outputs

Drops 184 stub headers and obsolete stub tests now generated in the build tree.

qt6-after/qt6-migrated-legatus/include/MarkerManagement/mrk_dtc.h

@@ -1,58 +0,0 @@
-#pragma once
-
-// STUB-HEADER: Diese Datei wird normalerweise von ddsdtc generiert
-// Für die Migration erstellen wir minimale Forward-Declarations
-
-#include <cstdint>
-#include <functional>
-#include <optional>
-#include <string>
-#include <vector>
-
-#include <QtCore/QObject>
-
-#include "LtsUtils/LtsUtilsCore/data_modification_enum.h"
-#include "mrk_marker.h"
-
-namespace MarkerManagement
-{
-
-namespace Interface
-{
-
-// Dtc interface class with signals for Qt6 migration STUB
-class Dtc : public QObject
-{
-    Q_OBJECT
-public:
-    explicit Dtc(QObject* parent = nullptr) : QObject(parent) {}
-    ~Dtc() override = default;
-
-    // Callback registration instead of enableNotification()
-    void markers(std::function<void(const Marker&)> callback)
-    {
-        m_markerCallback = callback;
-    }
-
-    // Trigger marker changed (for STUB testing)
-    void triggerMarkerChanged(const Marker& marker, DataModification modType)
-    {
-        emit markerChanged(marker, modType);
-        if (m_markerCallback)
-        {
-            m_markerCallback(marker);
-        }
-    }
-
-signals:
-    void markerChanged(const Marker& marker, DataModification modType);
-
-private:
-    std::function<void(const Marker&)> m_markerCallback;
-};
-
-class Ftc;
-
-} // namespace Interface
-
-} // namespace MarkerManagement