Delete row ('1472', '20735') from daily_volatility

ticker_id 1472
day 20735
implied_open 0.6810163874680256
implied_high 0.7572140252266859
implied_low 0.6445050193753342
implied_close 0.7381646157870208
historical_open 0.465123080485155
historical_high 0.465123080485155
historical_low 0.465123080485155
historical_close 0.465123080485155
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