Revert "Checkbox[disabled] should have higher priority than Checkbox.Group[disabled]"

This reverts commit 5580791a70.

components/checkbox/Checkbox.tsx

@@ -86,7 +86,7 @@ export default class Checkbox extends React.Component<CheckboxProps, {}> {
     if (checkboxGroup) {
       checkboxProps.onChange = () => checkboxGroup.toggleOption({ label: children, value: props.value });
       checkboxProps.checked = checkboxGroup.value.indexOf(props.value) !== -1;
-      checkboxProps.disabled = 'disabled' in props ? props.disabled : checkboxGroup.disabled;
+      checkboxProps.disabled = props.disabled || checkboxGroup.disabled;
     }
     const classString = classNames(className, {
       [`${prefixCls}-wrapper`]: true,

components/checkbox/__tests__/group.test.js

@@ -51,15 +51,4 @@ describe('CheckboxGroup', () => {
     groupWrapper.find('.ant-checkbox-input').at(1).simulate('change');
     expect(onChangeGroup).toBeCalledWith(['Apple']);
   });
-
-  it('Checkbox[disabled] should have higher priority than Group[disabled]', () => {
-    const options = [
-      { label: 'Apple', value: 'Apple' },
-      { label: 'Orange', value: 'Orange', disabled: false },
-    ];
-    const wrapper = mount(
-      <Checkbox.Group options={options} disabled />
-    );
-    expect(wrapper.find('input').at(1).props().disabled).toBe(false);
-  });
 });