Delete row ('136', '20167') from daily_volatility

ticker_id 136
day 20167
implied_open 0.3936877950864111
implied_high 0.4047999505928824
implied_low 0.3841630903665786
implied_close 0.3936877950864111
historical_open 0.4190870076726312
historical_high 0.4190870076726312
historical_low 0.4190870076726312
historical_close 0.4190870076726312
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