chore: 移除关于屏幕边界到安全区域距离的无用代码

src/pages/about/about.vue

@@ -11,9 +11,6 @@
 import RequestComp from './components/request.vue'
 import UploadComp from './components/upload.vue'
 
-// 获取屏幕边界到安全区域距离
-const { safeAreaInsets } = uni.getSystemInfoSync()
-
 // 奇怪：同样的代码放在 vue 里面不会校验到错误，放在 .ts 文件里面会校验到错误
 // const testOxlint = (name: string) => {
 //   console.log('oxlint')