[Raytracing] remove unused headers from PreCompiled

- just a preparation since enabling precompiled headers do not yet compile

src/Mod/Raytracing/App/PreCompiled.h

@@ -28,19 +28,16 @@
 #ifdef _PreComp_
 
 // STL
-#include <fstream>
 #include <sstream>
 #include <vector>
 
 // OpenCascade View
 #include <BRepMesh_IncrementalMesh.hxx>
-#include <gp_Pnt.hxx>
 #include <ShapeAnalysis_ShapeContents.hxx>
 #include <Standard.hxx>
 #include <TopExp_Explorer.hxx>
 #include <TopoDS.hxx>
 #include <TopoDS_Face.hxx>
-#include <TopoDS_Shape.hxx>
 
 #endif //_PreComp_
 

src/Mod/Raytracing/Gui/PreCompiled.cpp

@@ -20,5 +20,4 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #include "PreCompiled.h" 

src/Mod/Raytracing/Gui/PreCompiled.h

@@ -39,11 +39,9 @@
 # include <windows.h>
 #endif
 
-// OpenCasCade Base
-#include <Standard_Failure.hxx>
-
-// OpenCascade View
+// OpenCascade
 #include <gp_Vec.hxx>
+#include <Standard_Failure.hxx>
 
 // Qt Toolkit
 # include <QAction>