PEP 741: Update abstract (#3923)

Remove outdated sentence.

peps/pep-0741.rst

@@ -29,9 +29,6 @@ configuration of the Python **preinitialization** and the Python
 single choice to embed Python, instead of having two "Python" and
 "Isolated" choices (:pep:`587`), to simplify the API further.
 
-This new API replaces the deprecated and incomplete legacy API which is
-scheduled for removal between Python 3.13 and Python 3.15.
-
 The lower level :pep:`587` ``PyConfig`` API remains available for use
 cases with an intentionally higher level of coupling to CPython
 implementation details (such as emulating the full functionality of