Delete row ('1658', '20738') from daily_volatility

ticker_id 1658
day 20738
implied_open 0.5714822831899515
implied_high 0.6429175685886955
implied_low 0.5317960135239828
implied_close 0.5778320863365066
historical_open 0.6667293303882769
historical_high 0.6667293303882769
historical_low 0.6667293303882769
historical_close 0.6667293303882769
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