♻️(react) remove disabled from getItemProps

This way triggering thousands of warnings in the console and during tests.
Removing it works because it seems that having item.disabled set allows
to not having to use isItemDisabled.

packages/react/src/components/Forms/DatePicker/Calendar.tsx

@@ -67,7 +67,6 @@ const DropdownValues = ({ options, downShift }: DropdownValuesProps) => (
             {...downShift.getItemProps({
               item,
               index,
-              disabled: item.disabled,
             })}
             className={classNames("c__calendar__menu__item", {
               "c__calendar__menu__item--highlight":