Delete row ('1338', '20161') from daily_volatility

ticker_id 1338
day 20161
implied_open 0.2809787892350595
implied_high 0.2809787892350595
implied_low 0.2508172242889232
implied_close 0.252404675075562
historical_open 0.2317678148492582
historical_high 0.2317678148492582
historical_low 0.2317678148492582
historical_close 0.2317678148492582
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