Remove whatsnew

Author: matthiasgoergens

Doc/whatsnew/3.14.rst

@@ -2193,15 +2193,6 @@ bdb
   to the :class:`~bdb.Bdb` class's new *backend* parameter.
   (Contributed by Tian Gao in :gh:`124533`.)
 
-collections
------------
-
-* Slicing a :class:`collections.deque <collections.deque>` is now supported.  Our deque also support
-  constant time indexing.
-
-* Passing a *maxlen* larger than :data:`sys.maxsize` to :class:`collections.deque`
-  now raises :exc:`ValueError` instead of :exc:`OverflowError`.
-
 
 difflib
 -------