removed duplicate code

cell/model/WorkbookElems.js

@@ -5009,32 +5009,6 @@ TablePart.prototype.getRangeWithoutHeaderFooter = function()
 	return Asc.Range(this.Ref.c1, startRow, this.Ref.c2, endRow);
 };
 
-TablePart.prototype.getRangeTableColumnByName = function(columnName, bWithoutHeaderTotal)
-{
-	var res = null;
-	for(var i = 0; i < this.TableColumns.length; i++)
-	{
-		if(columnName === this.TableColumns[i].Name)
-		{
-			var startRow = this.Ref.r1;
-			var endRow = this.Ref.r2;
-			
-			var col = this.Ref.c1 + i;
-			
-			if(bWithoutHeaderTotal)
-			{
-				startRow = this.HeaderRowCount === null ? this.Ref.r1 + 1 : this.Ref.r1;
-				endRow = this.TotalsRowCount ? this.Ref.r2 - 1 : this.Ref.r2;
-			}
-			
-			res = Asc.Range(col, startRow, col, endRow);
-			break;
-		}
-	}
-	
-	return res;
-};
-
 /** @constructor */
 function AutoFilter() {
 	this.Ref = null;

cell/model/autofilters.js

@@ -4234,7 +4234,7 @@
 				var arrFormat = [];
 				var res = null;
 				
-				var tableRange = table.getRangeTableColumnByName(columnName, true);
+				var tableRange = table.getTableRangeForFormula({param: AscCommon.FormulaTablePartInfo.columns, startCol: columnName, endCol: columnName});
 				if(null !== tableRange)
 				{
 					for(var i = tableRange.r1; i <= tableRange.r2; i++)