Delete row 6 from matchdays

id 6
competition_id 1
number 6
status pending
first_match_at 2025-09-26T18:45:00.000Z
last_match_at 2025-09-28T18:45:00.000Z
sync_at 2025-09-24T08:00:00.000Z
draft_open_at 2025-09-25T18:00:00.000Z
draft_close_at 2025-09-26T15:45:00.000Z
scoring_at 2025-09-28T22:45:00.000Z
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