Delete row ('1923', '20735') from daily_volatility

ticker_id 1923
day 20735
implied_open 0.2571670274354782
implied_high 0.2762164368751432
implied_low 0.2571670274354782
implied_close 0.2603419290087557
historical_open 0.2873285923816146
historical_high 0.2873285923816146
historical_low 0.2873285923816146
historical_close 0.2873285923816146
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