Delete row ('2631', '20301') from daily_volatility

ticker_id 2631
day 20301
implied_open 0.911196751530645
implied_high 1.022318306595358
implied_low 0.911196751530645
implied_close 0.9286587101836714
historical_open 0.9778696845694728
historical_high 0.9778696845694728
historical_low 0.9778696845694728
historical_close 0.9778696845694728
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