MAINT: remove unnecessary includes.

Author: pavoljuhas

src/extensions/asymmetricunit_ext.cpp

@@ -17,7 +17,6 @@
 *****************************************************************************/
 
 #include <boost/python/class.hpp>
-#include <boost/python/def.hpp>
 #include <boost/python/args.hpp>
 
 #include <ObjCryst/ObjCryst/SpaceGroup.h>

src/extensions/molatom_ext.cpp

@@ -22,7 +22,6 @@
 *****************************************************************************/
 
 #include <boost/python/class.hpp>
-#include <boost/python/def.hpp>
 #include <boost/python/copy_const_reference.hpp>
 
 #include <string>

src/extensions/powderpattern_ext.cpp

@@ -20,7 +20,6 @@
 #include <boost/python/class.hpp>
 #include <boost/python/def.hpp>
 #include <boost/python/copy_const_reference.hpp>
-#include <boost/python/copy_non_const_reference.hpp>
 #include <boost/python/manage_new_object.hpp>
 
 #include <string>

src/extensions/scatterer_ext.cpp

@@ -31,7 +31,6 @@
 #include <boost/python/class.hpp>
 #include <boost/python/pure_virtual.hpp>
 #include <boost/python/copy_const_reference.hpp>
-#include <boost/python/slice.hpp>
 
 #include <string>
 

src/extensions/stretchmode_ext.cpp

@@ -21,7 +21,6 @@
 #include <boost/python/class.hpp>
 #include <boost/python/args.hpp>
 #include <boost/python/list.hpp>
-#include <boost/python/make_constructor.hpp>
 #include <boost/python/pure_virtual.hpp>
 
 #include <set>