remove code

packages/preset-umi/src/features/ssr/ssr.ts

@@ -8,7 +8,7 @@ import assert from 'assert';
 import { existsSync, writeFileSync } from 'fs';
 import { join } from 'path';
 import type { IApi } from '../../types';
-import { absServerBuildPath, getPreRenderedHTML } from './utils';
+import { absServerBuildPath } from './utils';
 
 export default (api: IApi) => {
   const esbuildBuilder: typeof import('./builder/builder') = importLazy(
@@ -18,29 +18,6 @@ export default (api: IApi) => {
     require.resolve('./webpack/webpack'),
   );
 
-  // 如果 exportStatic 不存在的时候。预渲染一下 index.html
-  if (!api.config.exportStatic) {
-    // export routes to html files
-    api.modifyExportHTMLFiles(async (_defaultFiles) => {
-      const preRenderFils: typeof _defaultFiles = [];
-      for await (const file of _defaultFiles.filter(
-        (f) => !f.path.includes(':'),
-      )) {
-        // 只需要 index.html 就好了，404  copy 一下 index。但是最好还是开一下 exportStatic
-        if (file.path === 'index.html') {
-          const html = await getPreRenderedHTML(api, file.content, '/');
-          preRenderFils.push({
-            path: file.path,
-            content: html,
-          });
-        } else {
-          preRenderFils.push(file);
-        }
-      }
-      return preRenderFils;
-    });
-  }
-
   api.describe({
     key: 'ssr',
     config: {