Delete row ('2550', '20733') from daily_volatility

ticker_id 2550
day 20733
implied_open 0.3921003442997724
implied_high 0.4047999505928824
implied_low 0.3921003442997724
implied_close 0.4016250490196049
historical_open 0.2730415353018658
historical_high 0.2730415353018658
historical_low 0.2730415353018658
historical_close 0.2730415353018658
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