Remove the simple slicing API. All slicing is now done with slice objects.
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 37b5a1f..222f362 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -554,7 +554,7 @@
(binaryfunc)tupleconcat, /* sq_concat */
(ssizeargfunc)tuplerepeat, /* sq_repeat */
(ssizeargfunc)tupleitem, /* sq_item */
- (ssizessizeargfunc)tupleslice, /* sq_slice */
+ 0, /* sq_slice */
0, /* sq_ass_item */
0, /* sq_ass_slice */
(objobjproc)tuplecontains, /* sq_contains */