Delete row ('2734', '20731') from daily_volatility

ticker_id 2734
day 20731
implied_open 0.4381364171122962
implied_high 0.4571858265519613
implied_low 0.4254368108191862
implied_close 0.4286117123924637
historical_open 0.3809881887933011
historical_high 0.3809881887933011
historical_low 0.3809881887933011
historical_close 0.3809881887933011
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