Delete row ('1321', '20161') from daily_volatility

ticker_id 1321
day 20161
implied_open 1.096928493567379
implied_high 1.101690845927296
implied_low 0.8222995074788748
implied_close 0.9492955704099751
historical_open 1.060417125474688
historical_high 1.060417125474688
historical_low 1.060417125474688
historical_close 1.060417125474688
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