Delete row ('1485', '20019') from daily_volatility

ticker_id 1485
day 20019
implied_open 0.3952752458730499
implied_high 0.4079748521661599
implied_low 0.3921003442997724
implied_close 0.4047999505928824
historical_open 0.2031937006897606
historical_high 0.2031937006897606
historical_low 0.2031937006897606
historical_close 0.2031937006897606
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