[TD]fix #13992 - compile warnings

src/Mod/TechDraw/App/DrawViewDimension.cpp

@@ -231,7 +231,7 @@ DrawViewDimension::DrawViewDimension()
     resetAngular();
     resetArc();
     m_hasGeometry = false;
-    m_matcher = new GeometryMatcher(this);
+    m_matcher = new GeometryMatcher();
     m_referencesCorrect = true;
     m_corrector = new DimensionAutoCorrect(this);
 }

src/Mod/TechDraw/App/GeometryMatcher.h

@@ -39,10 +39,7 @@ namespace TechDraw
 class TechDrawExport GeometryMatcher
 {
 public:
-    GeometryMatcher() :
-            m_dimension(nullptr)  {}
-    explicit GeometryMatcher(DrawViewDimension* dim) :
-            m_dimension(dim)    {}
+    GeometryMatcher() = default;
 
     bool compareGeometry(const Part::TopoShape& geom1, const Part::TopoShape& geom2);
 
@@ -70,7 +67,6 @@ private:
     static bool compareEllipseArcs(const TopoDS_Edge& edge1, const TopoDS_Edge& edge2);
     static bool compareEndPoints(const TopoDS_Edge& edge1, const TopoDS_Edge& edge2);
 
-    DrawViewDimension* m_dimension;
     double m_pointTolerance {EWTOLERANCE};
 };