Delete row ('1243', '20339') from daily_volatility

ticker_id 1243
day 20339
implied_open 0.2222431101294256
implied_high 0.2333552656358969
implied_low 0.2222431101294256
implied_close 0.2317678148492582
historical_open 0.2031937006897606
historical_high 0.2031937006897606
historical_low 0.2031937006897606
historical_close 0.2031937006897606
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