Delete row ('2141', '20685') from daily_volatility

ticker_id 2141
day 20685
implied_open 0.8492861708517336
implied_high 0.8889724405177025
implied_low 0.8445238184918173
implied_close 0.8762728342245925
historical_open 1.158839074246291
historical_high 1.158839074246291
historical_low 1.158839074246291
historical_close 1.158839074246291
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