Delete row ('331', '20657') from daily_volatility

ticker_id 331
day 20657
implied_open 1.768420176315572
implied_high 1.768420176315572
implied_low 1.693809989343551
implied_close 1.711271947996577
historical_open 1.254086121444616
historical_high 1.254086121444616
historical_low 1.254086121444616
historical_close 1.254086121444616
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