PEP 101: Stop announcing releases on MLs (#4596)

Author: hugovk

peps/pep-0101.rst

@@ -650,12 +650,6 @@ permissions.
   fuzzy bit because not much can be automated.  You can use an earlier
   announcement as a template, but edit it for content!
 
-- Once the announcement is up on Discourse, send an equivalent to the
-  following mailing lists:
-
-  * [email protected]
-  * [email protected]
-
 - Also post the announcement to the
   `Python Insider blog <https://blog.python.org>`_.
   To add a new entry, go to
@@ -786,8 +780,6 @@ else does them.  Some of those tasks include:
 
   * `discuss.python.org`_
 
-  * mailing lists (python-dev, python-list, python-announcements)
-
   * `Python Insider blog <https://blog.python.org>`_
 
 - Enjoy your retirement and bask in the glow of a job well done!