Delete row ('331', '20193') from daily_volatility

ticker_id 331
day 20193
implied_open 0.885797538944425
implied_high 0.898497145237535
implied_low 0.8429363677051787
implied_close 0.847698720065095
historical_open 1.055654773114772
historical_high 1.055654773114772
historical_low 1.055654773114772
historical_close 1.055654773114772
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