Delete row ('2766', '20339') from daily_volatility

ticker_id 2766
day 20339
implied_open 0.1635074310237917
implied_high 0.1714446849569855
implied_low 0.1508078247306817
implied_close 0.1666823325970692
historical_open 0.1476329231574041
historical_high 0.1476329231574041
historical_low 0.1476329231574041
historical_close 0.1476329231574041
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