Delete row ('104', '20502') from daily_volatility

ticker_id 104
day 20502
implied_open 0.8937347928776188
implied_high 0.9588202751298077
implied_low 0.7635638283732409
implied_close 0.8651606787181212
historical_open 0.9397708656901427
historical_high 0.9397708656901427
historical_low 0.9397708656901427
historical_close 0.9397708656901427
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