Delete row ('1747', '20735') from daily_volatility

ticker_id 1747
day 20735
implied_open 0.7445144189335758
implied_high 0.7445144189335758
implied_low 0.6572046256684443
implied_close 0.6794289366813868
historical_open 0.6921285429744969
historical_high 0.6921285429744969
historical_low 0.6921285429744969
historical_close 0.6921285429744969
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