Delete row ('193', '20586') from daily_volatility

ticker_id 193
day 20586
implied_open 0.6683167811749156
implied_high 0.7969002948926548
implied_low 0.5206838580175115
implied_close 0.6587920764550831
historical_open 0.7111779524141619
historical_high 0.7111779524141619
historical_low 0.7111779524141619
historical_close 0.7111779524141619
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