remove some PyBytes_* aliases that are not in 3.x
diff --git a/Misc/NEWS b/Misc/NEWS
index 142026c..3e37c28 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -506,6 +506,8 @@
 C-API
 -----
 
+- Some PyBytes_* aliases have been removed because they don't exist in 3.x.
+
 - Issue #5175: PyLong_AsUnsignedLongLong now raises OverflowError
   for negative arguments.  Previously, it raised TypeError.