Remove index.js

已经有 src/index.js 了，这个是多余的。

Author: yesmeck

index.js

@@ -1,7 +1,7 @@
 /* eslint-disable no-undef */
 import React from 'react';
 import { mount } from 'enzyme';
-import TreeSelect, { SHOW_PARENT } from '..';
+import TreeSelect, { SHOW_PARENT } from '../src';
 
 describe('TreeSelect.checkable', () => {
   it('allow clear when controlled', () => {

tests/Select.checkable.spec.js

@@ -2,7 +2,7 @@
 import React from 'react';
 import { mount, render } from 'enzyme';
 import KeyCode from 'rc-util/lib/KeyCode';
-import TreeSelect from '..';
+import TreeSelect from '../src';
 
 describe('TreeSelect.multiple', () => {
   const treeData = [

tests/Select.multiple.spec.js

@@ -2,7 +2,7 @@
 import React from 'react';
 import { render, mount } from 'enzyme';
 import KeyCode from 'rc-util/lib/KeyCode';
-import TreeSelect from '..';
+import TreeSelect from '../src';
 
 const { TreeNode } = TreeSelect;