Delete row ('1485', '20200') from daily_volatility

ticker_id 1485
day 20200
implied_open 0.4286117123924637
implied_high 0.4286117123924637
implied_low 0.4032124998062436
implied_close 0.414324655312715
historical_open 0.6127560036425592
historical_high 0.6127560036425592
historical_low 0.6127560036425592
historical_close 0.6127560036425592
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