Delete row ('1455', '20734') from daily_volatility

ticker_id 1455
day 20734
implied_open 0.7111779524141619
implied_high 1.071529280981159
implied_low 0.639742667015418
implied_close 0.6429175685886955
historical_open 0.3968626966596887
historical_high 0.3968626966596887
historical_low 0.3968626966596887
historical_close 0.3968626966596887
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