Delete row ('1005', '20731') from daily_volatility

ticker_id 1005
day 20731
implied_open 0.3603513285669973
implied_high 0.3968626966596887
implied_low 0.3333646651941384
implied_close 0.3524140746338035
historical_open 0.2746289860885045
historical_high 0.2746289860885045
historical_low 0.2746289860885045
historical_close 0.2746289860885045
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