refactor(initialization): 调整镜像源

frontend/src/config/mirrors.ts

@@ -72,12 +72,6 @@ export const PYTHON_MIRRORS: MirrorConfig[] = [
     url: 'https://mirrors.tuna.tsinghua.edu.cn/python/3.12.0/python-3.12.0-embed-amd64.zip',
     speed: null,
   },
-  {
-    key: 'ustc',
-    name: '中科大镜像',
-    url: 'https://mirrors.ustc.edu.cn/python/3.12.0/python-3.12.0-embed-amd64.zip',
-    speed: null,
-  },
   {
     key: 'huawei',
     name: '华为云镜像',
@@ -120,12 +114,6 @@ export const PIP_MIRRORS: MirrorConfig[] = [
     url: 'https://mirrors.aliyun.com/pypi/simple/',
     speed: null,
   },
-  {
-    key: 'douban',
-    name: '豆瓣',
-    url: 'https://pypi.douban.com/simple/',
-    speed: null,
-  },
 ]
 
 /**