Remove example component.

src/components/hello/Hello.js

-export default {
-  name: 'hello',
-  data () {
-    return {
-      msg: 'Welcome to Your Vue.js app'
-    }
-  }
-}

src/components/hello/Hello.vue

-<template>
-  <div class="hello">
-    <h1>{{ msg }}</h1>
-    <h2>Essential Links</h2>
-    <ul>
-      <li><a href="https://vuejs.org" target="_blank">Core Docs</a></li>
-      <li><a href="https://forum.vuejs.org" target="_blank">Forum</a></li>
-      <li><a href="https://gitter.im/vuejs/vue" target="_blank">Gitter Chat</a></li>
-      <li><a href="https://twitter.com/vuejs" target="_blank">Twitter</a></li>
-      <br>
-      <li><a href="http://vuejs-templates.github.io/webpack/" target="_blank">Docs for This template</a></li>
-    </ul>
-    <h2>Ecosystem</h2>
-    <ul>
-      <li><a href="http://router.vuejs.org/" target="_blank">vue-router</a></li>
-      <li><a href="http://vuex.vuejs.org/" target="_blank">vuex</a></li>
-      <li><a href="http://vue-loader.vuejs.org/" target="_blank">vue-loader</a></li>
-      <li><a href="https://github.com/vuejs/awesome-vue" target="_blank">awesome-vue</a></li>
-    </ul>
-  </div>
-</template>
-
-<script src='./Hello.js'></script>
-
-<!-- Add "scoped" attribute to limit CSS to this component only -->
-<style scoped>
-h1, h2 {
-  font-weight: normal;
-}
-
-ul {
-  list-style-type: none;
-  padding: 0;
-}
-
-li {
-  display: inline-block;
-  margin: 0 10px;
-}
-
-a {
-  color: #42b983;
-}
-</style>