Delete row ('143', '20690') from daily_volatility

ticker_id 143
day 20690
implied_open 0.5254462103774277
implied_high 0.5381458166705377
implied_low 0.5190964072308727
implied_close 0.530208562737344
historical_open 0.7588014760133247
historical_high 0.7588014760133247
historical_low 0.7588014760133247
historical_close 0.7588014760133247
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