[!!!][TASK] Remove $response preparation in route dispatching

Calling controllers with a prepared $response object is
dropped, together with the b/w compat feature
'simplifiedControllerActionDispatching'.

Resolves: #87211
Releases: master
Change-Id: Ia1cba4cc78e1cf8527f9c2a8b8f20655bc6af611
Reviewed-on: https://review.typo3.org/59209


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>