[Part] C*: remove unneeded includes

- also sort includes

src/Mod/Part/App/ConePyImp.cpp

@@ -20,29 +20,20 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #include "PreCompiled.h"
 #ifndef _PreComp_
-# include <Geom_ConicalSurface.hxx>
-# include <Geom_Circle.hxx>
 # include <GC_MakeConicalSurface.hxx>
-# include <gp_Circ.hxx>
-# include <gp_Cone.hxx>
-# include <gp_Lin.hxx>
-# include <Geom_Line.hxx>
-# include <Geom_TrimmedCurve.hxx>
+# include <Geom_ConicalSurface.hxx>
 # include <Standard_Failure.hxx>
 #endif
 
 #include <Base/GeometryPyCXX.h>
 #include <Base/VectorPy.h>
 
-#include "OCCError.h"
-#include "Geometry.h"
-#include "LinePy.h"
-#include "CirclePy.h"
 #include "ConePy.h"
 #include "ConePy.cpp"
+#include "OCCError.h"
+
 
 using namespace Part;