s4:Remove "Py_RETURN_NONE" compatibility code

This was needed only by Python 2.3 which we no longer support.

source4/auth/credentials/pycredentials.c

@@ -25,10 +25,6 @@
 #include "libcli/util/pyerrors.h"
 #include "param/pyparam.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 static PyObject *PyString_FromStringOrNULL(const char *str)
 {
 	if (str == NULL)

source4/auth/gensec/pygensec.c

@@ -25,10 +25,6 @@
 #include "pytalloc.h"
 #include <tevent.h>
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 static PyObject *py_get_name_by_authtype(PyObject *self, PyObject *args)
 {
 	int type;

source4/lib/com/pycom.c

@@ -23,10 +23,6 @@
 #include "librpc/ndr/libndr.h"
 #include "libcli/util/pyerrors.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 static struct com_context *py_com_ctx = NULL; /* FIXME: evil global */
 
 static PyObject *py_get_class_object(PyObject *self, PyObject *args)

source4/lib/messaging/pymessaging.c

@@ -31,10 +31,6 @@
 #include "param/param.h"
 #include "param/pyparam.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 PyAPI_DATA(PyTypeObject) messaging_Type;
 PyAPI_DATA(PyTypeObject) irpc_ClientConnectionType;
 

source4/lib/registry/pyregistry.c

@@ -27,10 +27,6 @@
 #include "auth/credentials/pycredentials.h"
 #include "param/pyparam.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 PyAPI_DATA(PyTypeObject) PyRegistryKey;
 PyAPI_DATA(PyTypeObject) PyRegistry;
 PyAPI_DATA(PyTypeObject) PyHiveKey;

source4/librpc/rpc/pyrpc.c

@@ -26,10 +26,6 @@
 #include "param/pyparam.h"
 #include "auth/credentials/pycredentials.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 static PyObject *py_dcerpc_run_function(dcerpc_InterfaceObject *iface,
 					const struct PyNdrRpcMethodDef *md,
 					PyObject *args, PyObject *kwargs)

source4/ntvfs/posix/python/pyxattr_native.c

@@ -23,10 +23,6 @@
 #include "librpc/ndr/libndr.h"
 #include "lib/util/wrap_xattr.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 static PyObject *py_is_xattr_supported(PyObject *self)
 {
 #if !defined(HAVE_XATTR_SUPPORT)

source4/ntvfs/posix/python/pyxattr_tdb.c

@@ -27,10 +27,6 @@
 #include "ntvfs/posix/vfs_posix.h"
 #include "libcli/util/pyerrors.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 static PyObject *py_is_xattr_supported(PyObject *self)
 {
 	return Py_True;

source4/param/pyparam.c

@@ -29,10 +29,6 @@ typedef int Py_ssize_t;
 typedef inquiry lenfunc;
 #endif
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 #define PyLoadparmContext_AsLoadparmContext(obj) py_talloc_get_type(obj, struct loadparm_context)
 
 PyAPI_DATA(PyTypeObject) PyLoadparmContext;

source4/scripting/python/pyglue.c

@@ -35,10 +35,6 @@
 #include "param/pyparam.h"
 #include "auth/credentials/pycredentials.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 /* FIXME: These should be in a header file somewhere, once we finish moving
  * away from SWIG .. */
 #define PyErr_LDB_OR_RAISE(py_ldb, ldb) \

source4/web_server/wsgi.c

@@ -27,10 +27,6 @@
 #include "../lib/util/data_blob.h"
 #include "lib/tls/tls.h"
 
-#ifndef Py_RETURN_NONE
-#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
-#endif
-
 typedef struct {
 	PyObject_HEAD
 	struct websrv_context *web;