Remove TODO

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: akx

docs/releasenotes/13.0.0.rst

@@ -79,8 +79,6 @@ Use the built-in JPEG decoder instead, or call ``djpeg`` directly and
 decode the resulting PNM output with Pillow.
 
 
-TODO
-
 API changes
 ===========