Revert "Datepicker: Fixed #7043 - Using multiple months always render…

…s 6 rows of dates even if only 5 are needed."

This reverts commit ac459ff.

ui/jquery.ui.datepicker.js

@@ -1494,7 +1494,7 @@ $.extend(Datepicker.prototype, {
 				if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
 					inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
 				var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
-				var numRows = Math.ceil((leadDays + daysInMonth) / 7); // calculate the number of rows to generate
+				var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
 				var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
 				for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
 					calender += '<tr>';