Delete row ('331', '20199') from daily_volatility

ticker_id 331
day 20199
implied_open 0.8588108755715662
implied_high 0.9413583164767814
implied_low 0.8588108755715662
implied_close 0.9175465546772
historical_open 1.015968503448803
historical_high 1.015968503448803
historical_low 1.015968503448803
historical_close 1.015968503448803
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