code: func removeDimensionTag(data string, sheet *Sheet) (string, error) {
  	x := len(sheet.Cols) - 1
  	y := len(sheet.Rows) - 1
  	if x < 0 {
  		x = 0
  	}
  	if y < 0 {
  		y = 0
  	}
  	var dimensionRef string
  	if x == 0 && y == 0 {
  		dimensionRef = "A1"
  	} else {
  		endCoordinate := GetCellIDStringFromCoords(x, y)
  		dimensionRef = "A1:" + endCoordinate
  	}
  	dataParts := strings.Split(data, fmt.Sprintf(dimensionTag, dimensionRef))
  	if len(dataParts) != 2 {
  		return "", errors.New("unexpected Sheet XML: dimension tag not found")
  	}
  	return dataParts[0] + dataParts[1], nil
  }
docs: // removeDimensionTag will return the passed in XLSX Spreadsheet XML with the dimension tag removed.
  // data is the XML data for the sheet
  // sheet is the Sheet struct that the XML was created from.
  // Can return an error if the XML's dimension tag does not match was is expected based on the provided Sheet