Revert "fix(NA): creation of multiple processes on production by spli…

…tting no_transpilation when setting up node env (#114940)"

This reverts commit 5fcc118.

packages/kbn-test/src/functional_tests/lib/babel_register_for_test_plugins.js

@@ -6,7 +6,6 @@
  * Side Public License, v 1.
  */
 
-const Fs = require('fs');
 const Path = require('path');
 
 const { REPO_ROOT } = require('@kbn/dev-utils');
@@ -23,7 +22,7 @@ require('@babel/register')({
     // TODO: should should probably remove this link back to the source
     Path.resolve(REPO_ROOT, 'x-pack/plugins/task_manager/server/config.ts'),
     Path.resolve(REPO_ROOT, 'src/core/utils/default_app_categories.ts'),
-  ].map((path) => Fs.realpathSync(path)),
+  ],
   babelrc: false,
   presets: [require.resolve('@kbn/babel-preset/node_preset')],
   extensions: ['.js', '.ts', '.tsx'],

src/setup_node_env/dist.js

@@ -6,5 +6,5 @@
  * Side Public License, v 1.
  */
 
-require('./no_transpilation_dist');
+require('./no_transpilation');
 require('./polyfill');

src/setup_node_env/no_transpilation.js

@@ -7,4 +7,12 @@
  */
 
 require('./ensure_node_preserve_symlinks');
-require('./no_transpilation_dist');
+
+// The following require statements MUST be executed before any others - BEGIN
+require('./exit_on_warning');
+require('./harden');
+// The following require statements MUST be executed before any others - END
+
+require('symbol-observable');
+require('source-map-support/register');
+require('./node_version_validator');