[TASK] Reschedule the removal for the old property mapper

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

Resolves: #47664
Releases: 6.2, 6.1
Change-Id: I2a6df4d71f900837797e28dcdedd7539bc936cf5
Reviewed-on: https://review.typo3.org/20256
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring