[TASK] Remove deprecated code in ElementInformationController

[TASK] Remove deprecated code in ElementInformationController

Change-Id: I5511af7dac4de54ff01f3a1f1ba9c0fb83697ac0
Resolves: #87272
Releases: master
Reviewed-on: https://review.typo3.org/59277
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Alexander Schnitzler <typo3@alexanderschnitzler.de>
Tested-by: Alexander Schnitzler <typo3@alexanderschnitzler.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>