delete unused files

packages/button/CHANGELOG.md

@@ -1,8 +0,0 @@
-## 0.0.2 (2017-01-20)
-
-* 改了bug A
-* 加了功能B
-
-## 0.0.1 (2017-01-10)
-
-* 第一版

packages/button/package.json

@@ -1,10 +0,0 @@
-{
-  "name": "@youzan/van-button",
-  "version": "0.0.1",
-  "description": "button component",
-  "main": "./index.js",
-  "author": "niunai",
-  "license": "MIT",
-  "devDependencies": {},
-  "dependencies": {}
-}

packages/button/src/button.js

@@ -11,7 +11,7 @@
  * <van-button size="large" type="primary">按钮</van-button>
  */
 
-import VanLoading from 'packages/loading';
+import VanLoading from '../../loading';
 
 const ALLOWED_SIZE = ['mini', 'small', 'normal', 'large'];
 const ALLOWED_TYPE = ['default', 'danger', 'primary'];