Delete row ('193', '20117') from daily_volatility

ticker_id 193
day 20117
implied_open 0.9159591038905613
implied_high 0.9445332180500589
implied_low 0.8953222436642575
implied_close 0.9175465546772
historical_open 0.6953034445477744
historical_high 0.6953034445477744
historical_low 0.6953034445477744
historical_close 0.6953034445477744
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