Delete row ('2631', '20658') from daily_volatility

ticker_id 2631
day 20658
implied_open 0.8524610724250111
implied_high 0.9191340054638388
implied_low 0.8175371551189585
implied_close 0.8873849897310637
historical_open 1.246148867511422
historical_high 1.246148867511422
historical_low 1.246148867511422
historical_close 1.246148867511422
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