Delete row ('1685', '20544') from daily_volatility

ticker_id 1685
day 20544
implied_open 0.6984783461210519
implied_high 0.7064156000542456
implied_low 0.6873661906145806
implied_close 0.6921285429744969
historical_open 0.7540391236534084
historical_high 0.7540391236534084
historical_low 0.7540391236534084
historical_close 0.7540391236534084
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