Delete row ('2350', '20101') from daily_volatility

ticker_id 2350
day 20101
implied_open 0.1571576278772367
implied_high 0.1714446849569855
implied_low 0.1571576278772367
implied_close 0.1571576278772367
historical_open 0.1301709645043779
historical_high 0.1301709645043779
historical_low 0.1301709645043779
historical_close 0.1301709645043779
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