[TASK] Remove license header duplicate

Releases: master
Resolves: #91264
Relates: #91253
Change-Id: Ifcd89d719494c9be3f14b7b6d943d9e0eabfff82
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64383


Reviewed-by: Susanne Moog <look@susi.dev>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>