[TASK] Remove closing PHP tags

Change-Id: Iaa92566c53301e49396fc9fb26b0b339c48d567b
Resolves: #52360
Releases: 6.2
Reviewed-on: https://review.typo3.org/24212
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Ernesto Baschny
Tested-by: Ernesto Baschny
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring