bump: update to vue-cli@4 (#3028)

.env.development

@@ -3,12 +3,3 @@ ENV = 'development'
 
 # base api
 VUE_APP_BASE_API = '/dev-api'
-
-# vue-cli uses the VUE_CLI_BABEL_TRANSPILE_MODULES environment variable,
-# to control whether the babel-plugin-dynamic-import-node plugin is enabled.
-# It only does one thing by converting all import() to require().
-# This configuration can significantly increase the speed of hot updates,
-# when you have a large number of pages.
-# Detail:  https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/babel-preset-app/index.js
-
-VUE_CLI_BABEL_TRANSPILE_MODULES = true