Delete row ('1434', '20731') from daily_volatility

ticker_id 1434
day 20731
implied_open 0.9016720468108126
implied_high 1.2493237690847
implied_low 0.8191246059055973
implied_close 0.8191246059055973
historical_open 0.6905410921878581
historical_high 0.6905410921878581
historical_low 0.6905410921878581
historical_close 0.6905410921878581
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