remove idea threads from Post-History

Author: methane

peps/pep-0822.rst

@@ -6,11 +6,7 @@ Status: Draft
 Type: Standards Track
 Created: 05-Jan-2026
 Python-Version: 3.15
-Post-History: `23-Jul-2023 <https://discuss.python.org/t/30127>`__,
-              `11-Oct-2023 <https://discuss.python.org/t/35907>`__,
-              `09-Dec-2023 <https://discuss.python.org/t/40679>`__,
-              `07-May-2025 <https://discuss.python.org/t/90988>`__,
-              `05-Jan-2026 <https://discuss.python.org/t/105519>`__,
+Post-History: `05-Jan-2026 <https://discuss.python.org/t/105519>`__,
 
 
 Abstract