The ExtendedFileUtility ProcessData hook is
superseded by a PSR-14 event.

Therefore, the hook and the corresponding
interface are now removed.

Resolves: #96180
Related: #95089
Releases: main
Change-Id: I4e8c8e31567365abe444edc840075640ec715680
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72442

Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Oliver Bartsch <bo@cedev.de>