fix(nextjs): update custom server setup so hostname and port are always provided (#10103)

packages/next/src/generators/application/lib/create-next-server-files.ts

@@ -57,67 +57,5 @@ export function createNextServerFiles(host: Tree, options: NormalizedSchema) {
       }
       `
     );
-
-    const { appsDir } = getWorkspaceLayout(host);
-
-    host.write(
-      joinPathFragments(directory, 'server.js'),
-      `
-      // @ts-check
-      'use strict';
-
-      /**
-       * Production Nextjs custom server
-       * 
-       * Usage: run this script with node
-       * Adjust dir option for your serve/deploy config
-       * 
-       * node server.js
-       */
-
-      /**
-       * @typedef {import(${
-         isOldNext
-           ? 'next/dist/next-server/server/next-server'
-           : 'next/dist/server/next-server'
-       }).default} Server
-       */
-
-      const NextServer = require(${
-        isOldNext
-          ? 'next/dist/next-server/server/next-server'
-          : 'next/dist/server/next-server'
-      }).default;
-      const express = require('express');
-
-      const nextApp = new NextServer({
-        dir: './dist/${appsDir}/<%= name %>',
-        staticMarkup: false,
-        quiet: false,
-        conf: {
-          distDir: '.'
-        }
-      });
-
-      const serve = async () => {
-        const handle = nextApp.getRequestHandler();
-        const expressApp = express();
-
-        await nextApp.prepare();
-
-        return new Promise((resolve, reject) => {
-          expressApp.all('*', (req, res) => {
-            return handle(req, res);
-          });
-
-          const server = expressApp.listen(4200, err => {
-            err ? reject(err) : resolve(server);
-          });
-        });
-      }
-
-      serve().then(server => console.log('Server is running on port 4200'));
-      `
-    );
   }
 }