Revert "[static-build] Support subset of Build Output API v2" (#7803)

Revert "[static-build] Support subset of Build Output API v2 (#7690)"

This reverts commit 05243fb6e9.

packages/static-build/test/build-fixtures/10-build-output-v2/.gitignore

@@ -1 +0,0 @@
-yarn.lock

packages/static-build/test/build-fixtures/10-build-output-v2/build.js

@@ -1,60 +0,0 @@
-const fs = require('fs');
-
-fs.mkdirSync('.output/static', { recursive: true });
-fs.mkdirSync('.output/server/pages/api', { recursive: true });
-
-fs.writeFileSync(
-  '.output/functions-manifest.json',
-  JSON.stringify(
-    {
-      version: 1,
-      pages: {
-        '_middleware.js': {
-          runtime: 'web',
-          env: [],
-          files: ['server/pages/_middleware.js'],
-          name: 'pages/_middleware',
-          page: '/',
-          regexp: '^/.*$',
-          sortingIndex: 1,
-        },
-      },
-    },
-    null,
-    2
-  )
-);
-
-fs.writeFileSync('.output/static/index.html', '<h1>Build Output API v2</h1>');
-
-fs.writeFileSync('.output/server/pages/about.html', '<h1>Some Site</h1>');
-
-fs.writeFileSync(
-  '.output/server/pages/api/user.js',
-  `export default function handler(request, response) {
-    response.status(200).json({
-      body: 'some user info'
-    });
-  }`
-);
-
-fs.writeFileSync(
-  '.output/server/pages/_middleware.js',
-  `
-    const getResult = (body, options) => ({
-      promise: Promise.resolve(),
-      waitUntil: Promise.resolve(),
-      response: new Response(body, options),
-    });
-
-    _ENTRIES = typeof _ENTRIES === 'undefined' ? {} : _ENTRIES;
-
-    _ENTRIES['middleware_pages/_middleware'] = {
-      default: async function ({ request }) {
-
-        return getResult('hi from the edge', {});
-
-      },
-    };
-  `
-);

packages/static-build/test/build-fixtures/10-build-output-v2/package.json

@@ -1,7 +0,0 @@
-{
-  "name": "10-build-output-v2",
-  "private": true,
-  "scripts": {
-    "build": "node build.js"
-  }
-}