Delete row ('1685', '20601') from daily_volatility

ticker_id 1685
day 20601
implied_open 1.017555954235442
implied_high 1.017555954235442
implied_low 0.9254838086103938
implied_close 0.9794571353561115
historical_open 0.8905598913043412
historical_high 0.8905598913043412
historical_low 0.8905598913043412
historical_close 0.8905598913043412
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