Delete row ('40', '20565') from daily_volatility

ticker_id 40
day 20565
implied_open 0.4047999505928824
implied_high 0.4301991631791025
implied_low 0.4047999505928824
implied_close 0.4238493600325475
historical_open 0.3778132872200236
historical_high 0.3778132872200236
historical_low 0.3778132872200236
historical_close 0.3778132872200236
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