Revert "update: 修复小程序端不能直接在模版内使用$emit的Bug askID:82865"

This reverts commit e3674be5.

packages/vue-cli-plugin-uni/packages/mp-vue/dist/mp.runtime.esm.js

@@ -5769,9 +5769,8 @@ function internalMixin(Vue) {
       this.$scope['triggerEvent'](event, {
         __args__: toArray(arguments, 1)
       });
-    } else {
-      return oldEmit.apply(this, arguments)
     }
+    return oldEmit.apply(this, arguments)
   };
 
   Vue.prototype.$nextTick = function(fn) {