Delete row ('2766', '20607') from daily_volatility

ticker_id 2766
day 20607
implied_open 0.2158933069828706
implied_high 0.2190682085561481
implied_low 0.2031937006897606
implied_close 0.2047811514763993
historical_open 0.1762070373169017
historical_high 0.1762070373169017
historical_low 0.1762070373169017
historical_close 0.1762070373169017
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