Delete row ('2311', '20704') from daily_volatility

ticker_id 2311
day 20704
implied_open 0.7349897142137433
implied_high 0.885797538944425
implied_low 0.7349897142137433
implied_close 0.8762728342245925
historical_open 0.8349991137719849
historical_high 0.8349991137719849
historical_low 0.8349991137719849
historical_close 0.8349991137719849
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