Delete row ('40', '20272') from daily_volatility

ticker_id 40
day 20272
implied_open 0.2143058561962319
implied_high 0.2158933069828706
implied_low 0.1936689959699281
implied_close 0.2079560530496768
historical_open 0.3143152557544734
historical_high 0.3143152557544734
historical_low 0.3143152557544734
historical_close 0.3143152557544734
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