chore(appengine): remove older region tag (#3965)

* chore(appengine): remove older region tag

* chore(appengine): remove older region tag from tests

---------

Co-authored-by: Jennifer Davis <[email protected]>
Co-authored-by: Katie McLaughlin <[email protected]>

Author: 3 people

appengine/building-an-app/update/server.js

@@ -22,12 +22,10 @@ const path = require('path');
 
 const app = express();
 
-// [START enable_parser]
 // [START gae_enable_parser]
 // This middleware is available in Express v4.16.0 onwards
 app.use(express.urlencoded({extended: true}));
 // [END gae_enable_parser]
-// [END enable_parser]
 
 app.get('/', (req, res) => {
   res.send('Hello from App Engine!');

appengine/building-an-app/update/test/server.test.js

@@ -74,7 +74,7 @@ describe('gae_add_display_form add_display_form', () => {
   });
 });
 
-describe('gae_add_post_handler add_post_handler gae_enable_parser enable_parser', () => {
+describe('gae_add_post_handler add_post_handler gae_enable_parser', () => {
   it('should record message', async () => {
     await requestObj
       .post('/submit', {