Delete row ('1992', '20144') from daily_volatility

ticker_id 1992
day 20144
implied_open 0.7064156000542456
implied_high 0.7810257870262672
implied_low 0.6619669780283606
implied_close 0.7064156000542456
historical_open 0.9635826274897239
historical_high 0.9635826274897239
historical_low 0.9635826274897239
historical_close 0.9635826274897239
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