Update breadcrumb

packages/breadcrumb/src/breadcrumb-item.vue

@@ -6,18 +6,12 @@
 <script>
   export default {
     name: 'ElBreadcrumbItem',
-
-    props: {
-    },
     data() {
       return {
         separator: ''
       };
     },
-    methods: {
-
-    },
-    ready() {
+    mounted() {
       this.separator = this.$parent.separator;
     }
   };

packages/breadcrumb/src/breadcrumb.vue

@@ -12,16 +12,6 @@
         type: String,
         default: '/'
       }
-    },
-    data() {
-      return {
-
-      };
-    },
-    methods: {
-
-    },
-    ready() {
     }
   };
 </script>