[BUGFIX] Remove invalid doctype annotations from GeneralUtility

In order to prevent Doctrine\Common\Annotations\AnnotationException
s o TYPO3, the unneeded comments in GeneralUtility are adapted.

Releases: 9.5
Resolves: #91034
Relates: #88986
Change-Id: I05cc36cf98e01492ff57f77f863fb79777206487
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64170
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Alexander Schnitzler <git@alexanderschnitzler.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Alexander Schnitzler <git@alexanderschnitzler.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/core/Classes/Utility/GeneralUtility.php

@@ -2099,7 +2099,7 @@ public static function writeFileToTypo3tempDir($filepath, $content)
      * and group ownership according to $GLOBALS['TYPO3_CONF_VARS']['SYS']['createGroup']
      *
      * @param string $newFolder Absolute path to folder, see PHP mkdir() function. Removes trailing slash internally.
-     * @return bool TRUE if @mkdir went well!
+     * @return bool TRUE if operation was successful
      */
     public static function mkdir($newFolder)
     {
@@ -2177,7 +2177,7 @@ protected static function createDirectoryPath($fullDirectoryPath)
      *
      * @param string $path Absolute path to folder, see PHP rmdir() function. Removes trailing slash internally.
      * @param bool $removeNonEmpty Allow deletion of non-empty directories
-     * @return bool TRUE if @rmdir went well!
+     * @return bool TRUE if operation was successful
      */
     public static function rmdir($path, $removeNonEmpty = false)
     {