[TASK] Reschedule the removal for the old property mapper

The old property mapper will be removed in two versions after 6.1

Resolves: #47665
Releases: 6.2, 6.1
Change-Id: I35291e0a95aa521bf5d6cb21c712a05a29420afa
Reviewed-on: https://review.typo3.org/20255
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring