Delete row ('2661', '20277') from daily_volatility

ticker_id 2661
day 20277
implied_open 0.5952940449895329
implied_high 0.6032312989227266
implied_low 0.5921191434162554
implied_close 0.601643848136088
historical_open 0.4095623029527987
historical_high 0.4095623029527987
historical_low 0.4095623029527987
historical_close 0.4095623029527987
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