refactor: 删除不必要的模板代码

src/mixins/test.js

@@ -1,21 +0,0 @@
-import wepy from 'wepy'
-
-export default class testMixin extends wepy.mixin {
-  data = {
-    mixin: 'This is mixin data.'
-  }
-  methods = {
-    tap () {
-      this.mixin = 'mixin data was changed'
-      console.log('mixin method tap')
-    }
-  }
-
-  onShow() {
-    console.log('mixin onShow')
-  }
-
-  onLoad() {
-    console.log('mixin onLoad')
-  }
-}