Delete row ('40', '20635') from daily_volatility

ticker_id 40
day 20635
implied_open 0.4667105312717938
implied_high 0.4746477852049876
implied_low 0.4444862202588513
implied_close 0.4746477852049876
historical_open 0.7334022634271045
historical_high 0.7334022634271045
historical_low 0.7334022634271045
historical_close 0.7334022634271045
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