Delete row ('1992', '20143') from daily_volatility

ticker_id 1992
day 20143
implied_open 0.6619669780283606
implied_high 0.7746759838797123
implied_low 0.5524328737502865
implied_close 0.6873661906145806
historical_open 0.9651700782763627
historical_high 0.9651700782763627
historical_low 0.9651700782763627
historical_close 0.9651700782763627
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