bpo-33400: Removed references to RFC3339 and ISO8601 from the logging documentation. (GH-7297) (GH-7302)

(cherry picked from commit 23cee80cfade1a9019c52b3a17d8e5c1b5db17e2)

Co-authored-by: Vinay Sajip <vinay_sajip@yahoo.co.uk>
2 files changed