Delete row ('2146', '20651') from daily_volatility

ticker_id 2146
day 20651
implied_open 0.6984783461210519
implied_high 0.7016532476943295
implied_low 0.6746665843214706
implied_close 0.6953034445477744
historical_open 0.6635544288149993
historical_high 0.6635544288149993
historical_low 0.6635544288149993
historical_close 0.6635544288149993
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