0022922: Clean up warnings on uninitialized / unused variables

src/DsgPrs/DsgPrs_ShapeDirPresentation.cxx

@@ -118,10 +118,7 @@ static Standard_Boolean FindPointOnFace(const TopoDS_Face& face, gp_Pnt2d& pt2d)
   // verify that (upar vpar) is a point on the face
 
   BRepClass_FaceClassifier fClass(face, pt2d, gp::Resolution());
-#ifdef DEB
-  TopAbs_State state =
-#endif
-                       fClass.State();
+
   if ((fClass.State() == TopAbs_OUT) || (fClass.State() == TopAbs_UNKNOWN)) {
     // try to find a point on face
     pt2d=points(1);

src/DsgPrs/DsgPrs_XYZAxisPresentation.cxx

@@ -71,11 +71,6 @@ void DsgPrs_XYZAxisPresentation::Add(const Handle(Prs3d_Presentation)& aPresenta
   A(1).SetCoord(xo,yo,zo);
   A(2).SetCoord(x,y,z);
  
-#ifdef DEB
-  Quantity_Length arrowAngle = anArrowAspect->Angle();
-  Quantity_Length textHeight = aTextAspect->Height();
-#endif
-
   G->SetPrimitivesAspect(aLineAspect->Aspect());
   G->Polyline(A);
   G->SetPrimitivesAspect( anArrowAspect->Aspect() );