Revert "style(about): 导入全局uni.scss样式文件"

This reverts commit de613b9e4ab297ad3766dd4c590a7a842a708829.

src/pages/about/about.vue

@@ -30,7 +30,6 @@ const { safeAreaInsets } = uni.getSystemInfoSync()
 </script>
 
 <style lang="scss" scoped>
-@import '@/uni.scss';
 .test-css {
   // 16rpx=>0.5rem
   padding-bottom: 16rpx;