[TASK] Remove class file includes

The class loader loads the classes.
The includes are obsolete and should be just removed.

Resolves: #72519
Releases: 7.6, master
Change-Id: Id4132b6a7a0dd3f0298e893116b38d80cfb93769
Reviewed-on: https://review.typo3.org/45561


Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>