Delete row ('1414', '20731') from daily_volatility

ticker_id 1414
day 20731
implied_open 0.3492391730605259
implied_high 0.3492391730605259
implied_low 0.2984407478880858
implied_close 0.3063780018212796
historical_open 0.2111309546229543
historical_high 0.2111309546229543
historical_low 0.2111309546229543
historical_close 0.2111309546229543
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