Delete row ('2770', '20423') from daily_volatility

ticker_id 2770
day 20423
implied_open 0.1857317420367343
implied_high 0.1936689959699281
implied_low 0.1841442912500955
implied_close 0.1920815451832893
historical_open 0.1952564467565668
historical_high 0.1952564467565668
historical_low 0.1952564467565668
historical_close 0.1952564467565668
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