clean unnecessary docs

docs/src/components/example-block.vue

@@ -1,14 +0,0 @@
-<template>
-  <div class="example-block">
-    <h2 class="demo-sub-title" v-text="title"></h2>
-    <slot></slot>
-  </div>  
-</template>
-
-<script>
-export default {
-  props: {
-    title: String
-  }
-};
-</script>

docs/src/components/mobile-computed.js

@@ -1,19 +0,0 @@
-import MobilePopup from './mobile-popup.vue';
-
-export default {
-  components: {
-    MobilePopup
-  },
-
-  computed: {
-    mobileUrl() {
-      return '/zanui/vue/examples' + location.pathname.slice(10);
-    }
-  },
-
-  data() {
-    return {
-      mobileShow: false
-    };
-  }
-};

docs/src/components/mobile-popup.vue

@@ -1,51 +0,0 @@
-<template>
-  <van-popup v-model="currentValue" :lock-on-scroll="true">
-    <div class="mobile-popup">
-      <iframe :src="url" class="mobile-popup-iframe"></iframe>
-    </div>
-  </van-popup>
-</template>
-
-<script>
-export default {
-  props: {
-    url: String,
-    value: {}
-  },
-
-  data() {
-    return {
-      currentValue: this.value
-    };
-  },
-
-  watch: {
-    currentValue(val) {
-      this.$emit('input', val);
-    },
-    value(val) {
-      console.log(val);
-      this.currentValue = val;
-    }
-  }
-};
-</script>
-
-<style>
-.mobile-popup {
-  width: 375px;
-  height: 650px;
-  background: url(https://b.yzcdn.cn/v2/image/wap/zanui-mobile-container.png) no-repeat;
-}
-
-.mobile-popup-iframe {
-  width: 100%;
-  box-sizing: border-box;
-  border-left: 1px solid #e5e5e5;
-  border-right: 1px solid #e5e5e5;
-  border-bottom: 1px solid #e5e5e5;
-  position: relative;
-  top: 64px;
-  height: 586px;
-}
-</style>

docs/src/index.js

@@ -4,8 +4,6 @@ import App from './ExamplesDocsApp';
 import routes from './router.config';
 import ZanDoc from 'zan-doc';
 import DemoBlock from './components/demo-block';
-
-import '../assets/docs.css';
 import 'packages/vant-css/src/index.css';
 
 function isMobile() {