[CLEANUP] #5197 Use comments instead of PHPDoc style comments in copyright block

Change-Id: Ide2f6d4cbc6e3ee7e6afa71eaf1333c6e7166de4
Reviewed-on: http://review.typo3.org/35266
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>