[3.13] GH-101599: Update docs to remove redundant option in argparse tutorial (GH-124025) (#124037)

GH-101599: Update docs to remove redundant option in argparse tutorial (GH-124025)
(cherry picked from commit e5b0185e43c972ce98decd1493cd0b0c3a6b166b)

Co-authored-by: Savannah Ostrowski <savannahostrowski@gmail.com>