Remove orphaned footnote

Author: warsaw

peps/pep-0694.rst

@@ -1394,9 +1394,6 @@ as experience is gained operating Upload 2.0.
               <https://docs.python.org/3/library/hashlib.html#hashlib.new>`_ ``hashlib.new()`` and
               which does not require additional parameters.
 
-.. [#fn-immutable] Published files may still be yanked (i.e. :pep:`592`) or `deleted
-                   <https://pypi.org/help/#file-name-reuse>`__ as normal.
-
 .. _sdist-filename-spec: https://packaging.python.org/en/latest/specifications/source-distribution-format/#source-distribution-file-name
 .. _wheel-filename-spec: https://packaging.python.org/en/latest/specifications/binary-distribution-format/#file-name-convention