polycone API has been changed.

http://bugzilla-geant4.kek.jp/show_bug.cgi?id=1544
Index: g4py/source/geometry/pyG4Polycone.cc
===================================================================
--- g4py.orig/source/geometry/pyG4Polycone.cc
+++ g4py/source/geometry/pyG4Polycone.cc
@@ -96,7 +96,6 @@ void export_G4Polycone()
     .def("GetStartPhi",    &G4Polycone::GetStartPhi)
     .def("GetEndPhi",      &G4Polycone::GetEndPhi)
     .def("IsOpen",         &G4Polycone::IsOpen)
-    .def("IsGeneric",      &G4Polycone::IsGeneric)
     .def("GetNumRZCorner", &G4Polycone::GetNumRZCorner)
 
     // operators