Section headers on WG datatracker page have typos

`resolution_fixed` `type_defect`   |    by superuser@gmail.com

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The section headings on this page, for example, have additional trailing "s" characters:

https://datatracker.ietf.org/wg/appsawg/

("RFCss", "Active Internet-Draftss", etc.)

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_Issue migrated from trac:1077 at 2022-03-04 02:53:19 +0000_