Delete row ('2630', '20734') from daily_volatility

ticker_id 2630
day 20734
implied_open 0.7746759838797123
implied_high 0.8683355802913987
implied_low 0.6841912890413031
implied_close 0.7969002948926548
historical_open 0.5571952261102028
historical_high 0.5571952261102028
historical_low 0.5571952261102028
historical_close 0.5571952261102028
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