[TASK] Remove dummy files in typo3/classes/

Change-Id: I8ee215e43b60dae0da04087d510771479aaaaa04
Resolves: #47797
Related: #47756
Releases: 6.2
Reviewed-on: https://review.typo3.org/20388
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn