Remove the mhlib module.
diff --git a/Misc/NEWS b/Misc/NEWS
index c4d66e0..4ad6137 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -21,6 +21,8 @@
 Library
 -------
 
+- The mhlib module has been removed.
+
 - The ihooks module has been removed.
 
 - The fpformat module has been removed.