minor symfony#61476 [PhpUnitBridge] revert patching of PHPUnit about memleak reports (xabbuh)

This PR was merged into the 7.4 branch.

Discussion
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[PhpUnitBridge] revert patching of PHPUnit about memleak reports

| Q             | A
| ------------- | ---
| Branch?       | 7.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

reverts symfony#61469, sebastianbergmann/phpunit@0eae114 is part of PHPUnit 8.5.44, 9.6.25, 10.5.53, 11.5.34 and 12.3.6

Commits
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b85a79e revert patching of PHPUnit about memleak reports

Author: nicolas-grekas

src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php

@@ -270,13 +270,6 @@
         exit($exit);
     }
 
-    // Mutate PhptTestCase code
-    $alteredFile = defined('GLOB_BRACE') ? glob('./src/Runner/{Phpt/,PHPT/Phpt,Phpt}TestCase.php', GLOB_BRACE) : false;
-    if ($alteredFile && str_contains($alteredCode = file_get_contents($alteredFile[0]), "            'report_memleaks=0',\n")) {
-        $alteredCode = str_replace("            'report_memleaks=0',\n", '', $alteredCode);
-        file_put_contents($alteredFile[0], $alteredCode);
-    }
-
     // Mutate TestCase code
     if (version_compare($PHPUNIT_VERSION, '11.0', '<')) {
         $alteredCode = file_get_contents($alteredFile = './src/Framework/TestCase.php');