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Deletes this data bar conditional formatting rule.
After this method is called, the data bar is removed from the range to which it applies.
void Delete()
Sub Delete()
worksheet.Range["A1:A5"].Value = new object[,] {{1}, {2}, {3}, {4}, {5}};
IDataBar dataBar = worksheet.Range["A1:A5"].FormatConditions.AddDatabar();
dataBar.Delete();