refactor(index): 去掉首页模拟数据模块

src/views/index.vue

 <template>
   <div class="app-container">
     <div class="container">
-      <panel-group @handleSetLineChartData="handleSetLineChartData" />
+      <!-- <panel-group @handleSetLineChartData="handleSetLineChartData" /> -->
       <common-menu />
       <!-- <el-row :gutter="20"
         class="row">