fix a typo

Author: Wulian233

peps/pep-0758.rst

@@ -1,7 +1,6 @@
 PEP: 758
 Title: Allow ``except`` and ``except*`` expressions without parentheses
 Author: Pablo Galindo <pablogsal@python.org>, Brett Cannon <brett@python.org>
-PEP-Delegate: TBD
 Status: Accepted
 Type: Standards Track
 Created: 30-Sep-2024