Delete row ('1544', '20110') from daily_volatility

ticker_id 1544
day 20110
implied_open 0.2031937006897606
implied_high 0.2079560530496768
implied_low 0.2016062499031218
implied_close 0.2063686022630381
historical_open 0.1635074310237917
historical_high 0.1635074310237917
historical_low 0.1635074310237917
historical_close 0.1635074310237917
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