remove release note for change that has been reverted

Author: alimanfoo

docs/release.rst

@@ -9,9 +9,6 @@ Release notes
 * Handle (new) buffer protocol conforming types in ``Pickle.decode``.
   By :user:`John Kirkham <jakirkham>`, :issue:`143`, :issue:`150`.
 
-* Fix other ``VLen*`` encode() methods to return numpy arrays as well.
-  By :user:`John Kirkham <jakirkham>`, :issue:`144`.
-  
 * Use (new) buffer protocol in ``MsgPack`` codec `decode()` method.
   By :user:`John Kirkham <jakirkham>`, :issue:`148`.