Delete row ('55', '20735') from daily_volatility

ticker_id 55
day 20735
implied_open 0.6810163874680256
implied_high 0.7381646157870208
implied_low 0.6492673717352505
implied_close 0.6921285429744969
historical_open 0.3936877950864111
historical_high 0.3936877950864111
historical_low 0.3936877950864111
historical_close 0.3936877950864111
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