[Inspection] remove unused headers and Xerces

- also sort our some includes to PreCompiled.h

src/Mod/Inspection/App/InspectionFeature.h

@@ -20,17 +20,15 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #ifndef INSPECTION_FEATURE_H
 #define INSPECTION_FEATURE_H
 
 #include <App/DocumentObject.h>
-#include <App/PropertyLinks.h>
 #include <App/DocumentObjectGroup.h>
 
-#include <Mod/Mesh/App/Core/Iterator.h>
 #include <Mod/Points/App/Points.h>
 
+
 class TopoDS_Shape;
 class BRepExtrema_DistShapeShape;