Delete row ('772', '20733') from daily_volatility

ticker_id 772
day 20733
implied_open 0.2539921258622007
implied_high 0.3111403541811958
implied_low 0.2444674211423682
implied_close 0.265104281368672
historical_open 0.1968438975432056
historical_high 0.1968438975432056
historical_low 0.1968438975432056
historical_close 0.1968438975432056
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