Delete row ('1300', '20150') from daily_volatility

ticker_id 1300
day 20150
implied_open 0.5714822831899515
implied_high 0.6238681591490305
implied_low 0.5714822831899515
implied_close 0.6111685528559204
historical_open 0.6572046256684443
historical_high 0.6572046256684443
historical_low 0.6572046256684443
historical_close 0.6572046256684443
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