[BUGFIX] userPermissions => recursiveDeleteFolder

This commit fixed the backend user/groups TCA to set the right option
to allow recursive deletion of folders.

Change-Id: I6f763ce820a09aa8b3f555ff6dfc5666fd7f81bf
Resolves: #56527
Releases: 6.2
Reviewed-on: https://review.typo3.org/28030
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel