Avoid attribution in NEWS prompt example

Author: aisk

templates/add_blurb.html

@@ -141,11 +141,9 @@ <h5 class="modal-title" id="aiPromptModalLabel">Prompt for AI to write NEWS entr
                     "",
                     "The contents of a `NEWS` file should be valid reStructuredText. An 80 character column width should be used. There is no indentation or leading marker in the file, for example `-`. There is also no need to start the entry with the issue number since it is part of the file name. You can use inline markups too. Here is an example of a `NEWS` entry:",
                     "",
-                    "Do not add `Patch by`, `Patched by`, or `Contributed by` attribution unless the existing issue or pull request clearly requires it and the contributor name is reliable.",
-                    "",
                     "```rst",
                     "Fix warning message when :func:`os.chdir` fails inside",
-                    ":func:`test.support.temp_cwd`. Contributed by Chris Jerdonek.",
+                    ":func:`test.support.temp_cwd`.",
                     "```",
                     "",
                     "The inline Sphinx roles like `:func:` can be used to help readers find more information. The user can build HTML and verify that the link target is appropriate by using `make html`."