fix(ui5-date-range): remove commented code (#12978)

Removing forgotten commented code.

Author: hinzzx

packages/main/src/CalendarDateRange.ts

@@ -39,8 +39,4 @@ class CalendarDateRange extends UI5Element implements ICalendarSelectedDates {
 
 CalendarDateRange.define();
 
-// type t = typeof CalendarDateRange.prototype._jsxProps;
-// let a: t;
-// a.value =
-
 export default CalendarDateRange;