Delete row ('53', '20217') from daily_volatility

ticker_id 53
day 20217
implied_open 0.3809881887933011
implied_high 0.3841630903665786
implied_low 0.3635262301402747
implied_close 0.3778132872200236
historical_open 0.6635544288149993
historical_high 0.6635544288149993
historical_low 0.6635544288149993
historical_close 0.6635544288149993
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