Delete row ('2717', '20312') from daily_volatility

ticker_id 2717
day 20312
implied_open 0.2619293797953945
implied_high 0.2619293797953945
implied_low 0.2270054624893419
implied_close 0.2508172242889232
historical_open 0.1492203739440429
historical_high 0.1492203739440429
historical_low 0.1492203739440429
historical_close 0.1492203739440429
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