Delete row ('6', '20363') from daily_volatility

ticker_id 6
day 20363
implied_open 0.9080218499573676
implied_high 0.9651700782763627
implied_low 0.9080218499573676
implied_close 0.9572328243431689
historical_open 0.8588108755715662
historical_high 0.8588108755715662
historical_low 0.8588108755715662
historical_close 0.8588108755715662
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