Delete row ('1685', '20194') from daily_volatility

ticker_id 1685
day 20194
implied_open 0.6048187497093654
implied_high 0.6619669780283606
implied_low 0.601643848136088
implied_close 0.6365677654421404
historical_open 0.8635732279314824
historical_high 0.8635732279314824
historical_low 0.8635732279314824
historical_close 0.8635732279314824
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