Remove dev release mentioning.

Author: icemac

CHANGES.rst

@@ -4,20 +4,14 @@ Changes
 8.2 (unreleased)
 ----------------
 
+- Nothing changed yet.
 
 8.1 (2025-10-19)
 ----------------
 
 - Allow to use the package with Python 3.14 including t-string support.
 
 
-8.1a1.dev0 (2025-03-20)
------------------------
-
-- Allow to use the package with Python 3.14 -- Caution: No security
-  audit has been done so far.
-
-
 8.0 (2025-01-23)
 ----------------