Delete row ('1177', '20665') from daily_volatility

ticker_id 1177
day 20665
implied_open 0.7207026571339945
implied_high 0.7222901079206332
implied_low 0.6857787398279419
implied_close 0.7064156000542456
historical_open 0.6318054130822243
historical_high 0.6318054130822243
historical_low 0.6318054130822243
historical_close 0.6318054130822243
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