Delete row ('1485', '20217') from daily_volatility

ticker_id 1485
day 20217
implied_open 0.3714634840734685
implied_high 0.3778132872200236
implied_low 0.3587638777803585
implied_close 0.3730509348601073
historical_open 0.6683167811749156
historical_high 0.6683167811749156
historical_low 0.6683167811749156
historical_close 0.6683167811749156
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