Delete row ('313', '20734') from daily_volatility

ticker_id 313
day 20734
implied_open 0.5571952261102028
implied_high 0.8318242121987074
implied_low 0.5571952261102028
implied_close 0.8080124503991261
historical_open 0.3397144683406934
historical_high 0.3397144683406934
historical_low 0.3397144683406934
historical_close 0.3397144683406934
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