Delete row ('49', '20735') from daily_volatility

ticker_id 49
day 20735
implied_open 0.4016250490196049
implied_high 0.4095623029527987
implied_low 0.3841630903665786
implied_close 0.3905128935131336
historical_open 0.4016250490196049
historical_high 0.4016250490196049
historical_low 0.4016250490196049
historical_close 0.4016250490196049
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