Delete row ('1393', '20733') from daily_volatility

ticker_id 1393
day 20733
implied_open 0.9969190940091377
implied_high 3.070129821359351
implied_low 0.8810351865845087
implied_close 2.990757282027414
historical_open 0.7937253933193773
historical_high 0.7937253933193773
historical_low 0.7937253933193773
historical_close 0.7937253933193773
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