remove StyleManager.setNumFormat

cell/model/Workbook.js

@@ -4973,7 +4973,7 @@ Woorksheet.prototype.isApplyFilterBySheet = function(){
 		this.oValue.cleanCache();
 	};
 	Cell.prototype.setNumFormat=function(val){
-		var oRes = this.ws.workbook.oStyleManager.setNumFormat(this, val);
+		var oRes = this.ws.workbook.oStyleManager.setNum(this, new AscCommonExcel.Num({f:val}));
 		if(History.Is_On() && oRes.oldVal != oRes.newVal)
 			History.Add(AscCommonExcel.g_oUndoRedoCell, AscCH.historyitem_Cell_Num, this.ws.getId(), new Asc.Range(this.nCol, this.nRow, this.nCol, this.nRow), new UndoRedoData_CellSimpleData(this.nRow, this.nCol, oRes.oldVal, oRes.newVal));
 		this.compiledXfs = null;

cell/model/WorkbookElems.js

@@ -1839,30 +1839,6 @@ StyleManager.prototype =
 		}
 		return oRes;
 	},
-	setNumFormat : function(oItemWithXfs, val)
-	{
-        var xfs = oItemWithXfs.xfs;
-        var oRes = {newVal: val, oldVal: null};
-        if(null != xfs && null != xfs.num)
-            oRes.oldVal = xfs.num.getFormat();
-		else
-			oRes.oldVal = g_oDefaultFormat.Num.getFormat();
-        if(null == val)
-        {
-            if(null != xfs) {
-                xfs = this._prepareSetReference(oItemWithXfs);
-                xfs.num = null;
-            }
-        }
-        else
-        {
-            xfs = this._prepareSet(oItemWithXfs);
-            if(null == xfs.num)
-                xfs.num = g_oDefaultFormat.Num.clone();
-            xfs.num.setFormat(val);
-        }
-		return oRes;
-	},
 	setNum : function(oItemWithXfs, val)
 	{
 		var xfs = oItemWithXfs.xfs;