Delete row 3 from bookings

id 3
trainer_id 1
student_id 2
service_key s1
starts_at 2026-07-23T13:00:00.000Z
duration_min 50
card_id 1
invoice_id NULL
video_analysis {"status":"ready","swing_count ...
notes Driver zieht immer noch nach rechts, Schlagfläche ...
status confirmed
created_at 2026-07-23 05:06:40
protocol {"summary":"Hallo Nico, heute haben wi ...
protocol_approved_at 2026-07-23T09:43:33.879Z
confirmation_sent_at 2026-07-23 05:06:41
reminder_sent_at NULL
cancellation_sent_at NULL
video_unlocked_at 2026-07-25 10:12:51
video_invoice_id 6
swing_metrics NULL
student_note NULL
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