[TASK] Remove old @todo marker from FileList

For over 4 years a todo marker exists in the code.
It looks like this is no issue and we should remove the marker.

Resolves: #69008
Releases: master
Change-Id: Ic4f45f1232048a69ee2cea1c55e2952656a303be
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63647


Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Christian Eßl <indy.essl@gmail.com>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Christian Eßl <indy.essl@gmail.com>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>