Remove comment

src/PhpSpreadsheet/Calculation/Calculation.php

@@ -1544,11 +1544,6 @@ class Calculation extends CalculationLocale
                             } elseif (ctype_alpha($val) && strlen($val) <= 3) {
                                 //    Column range
                                 $stackItemType = 'Column Reference';
-                                // Use getHighestDataRow() without a column argument so that the overall
-                                // highest row (across all columns) is used for the end reference.
-                                // Using getHighestDataRow($val) for the specific end column is incorrect
-                                // when that column contains no data: it returns 1, producing an inverted
-                                // range such as A4:F1 for whole-column references like $A:$F.
                                 $endRowColRef = ($refSheet !== null) ? $refSheet->getHighestDataRow() : AddressRange::MAX_ROW; //    Max 1,048,576 rows for Excel2007
                                 $val = "{$rangeWS2}{$val}{$endRowColRef}";
                             }