chore: delete ie fix and change babel config

Author: woothu

babel.config.js

@@ -1,7 +1,5 @@
 module.exports = {
   presets: [
-    [ "@vue/app", {
-      "useBuiltIns": 'entry'
-    }]
+    ['@vue/app']
   ]
 }

src/assets/scss/_ie-fix.scss

@@ -6,6 +6,3 @@
 
 // If you want to add something do it here
 @import "custom";
-
-// ie fixes
-@import "ie-fix";