Delete row ('193', '20130') from daily_volatility

ticker_id 193
day 20130
implied_open 0.976282233782834
implied_high 1.041367716035023
implied_low 0.9223089070371163
implied_close 0.9731073322095565
historical_open 0.6968908953344132
historical_high 0.6968908953344132
historical_low 0.6968908953344132
historical_close 0.6968908953344132
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