Delete row ('193', '20647') from daily_volatility

ticker_id 193
day 20647
implied_open 0.8286493106254299
implied_high 1.068354379407882
implied_low 0.7540391236534084
implied_close 0.8651606787181212
historical_open 0.7222901079206332
historical_high 0.7222901079206332
historical_low 0.7222901079206332
historical_close 0.7222901079206332
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