Doc: improve iframe load speed

docs/examples-docs/express-way.md

@@ -1,7 +1,7 @@
 ## ExpressWay 配送方式
 
 <script>
-import { Toast, CellGroup } from 'packages';
+import { Toast } from 'packages';
 
 export default {
   data() {
@@ -26,10 +26,6 @@ export default {
     onChange(item, index) {
       Toast('配送方式更换为:' + item.postage_title);
     }
-  },
-
-  components: {
-    [CellGroup.name]: CellGroup
   }
 }
 </script>

docs/examples-docs/icon.md

@@ -32,7 +32,6 @@
 
 <script>
 import Vue from 'vue';
-import { Icon, Col } from 'packages';
 
 const icons = [
   'close',
@@ -113,10 +112,6 @@ const icons = [
 ];
 
 const IconListConstructor = Vue.extend({
-  components: {
-    [Col.name]: Col,
-    [Icon.name]: Icon
-  },
   render(h) {
     return (
       <div>