[bugfix] remove unnecessary props (#323)

* fix: Tabbar icon line-height

* [new feature] progress add showPivot prop

* [new feature] TabItem support vue-router

* [new feature] update document header style

* [Doc] add toast english ducoment

* [bugfix] Search box-sizing wrong

* [Doc] update vant-demo respo

* [Doc] translate theme & demo pages

* [Doc] add Internationalization document

* [bugfix] remove unnecessary props

packages/card/index.vue

@@ -34,8 +34,8 @@ export default {
     thumb: String,
     title: String,
     desc: String,
-    num: [Number, String],
     centered: Boolean,
+    num: [Number, String],
     price: [Number, String]
   }
 };