Delete row ('1904', '20733') from daily_volatility

ticker_id 1904
day 20733
implied_open 0.6730791335348318
implied_high 0.6826038382546643
implied_low 0.6603795272417218
implied_close 0.6778414858947481
historical_open 0.6603795272417218
historical_high 0.6603795272417218
historical_low 0.6603795272417218
historical_close 0.6603795272417218
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