Delete row ('2305', '20693') from daily_volatility

ticker_id 2305
day 20693
implied_open 0.7143528539874394
implied_high 0.7143528539874394
implied_low 0.6286305115089468
implied_close 0.6905410921878581
historical_open 0.89214734209098
historical_high 0.89214734209098
historical_low 0.89214734209098
historical_close 0.89214734209098
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