Delete row ('53', '20643') from daily_volatility

ticker_id 53
day 20643
implied_open 0.5635450292567578
implied_high 0.5857693402697004
implied_low 0.5540203245369253
implied_close 0.5571952261102028
historical_open 0.5206838580175115
historical_high 0.5206838580175115
historical_low 0.5206838580175115
historical_close 0.5206838580175115
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