Delete row ('635', '20635') from daily_volatility

ticker_id 635
day 20635
implied_open 1.079466534914353
implied_high 1.152489271099736
implied_low 1.014381052662164
implied_close 1.073116731767798
historical_open 1.222337105711841
historical_high 1.222337105711841
historical_low 1.222337105711841
historical_close 1.222337105711841
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