[!!!][TASK] Remove deprecated web response class

The Web Response subclass of Extbase's MVC framework is removed
in favor of the main base Response object, which serves the same
purpose since Extbase MVC is not handling CLI based Responses
anymore in TYPO3 v9.

Releases: master
Resolves: #91526
Related: #91473
Change-Id: I584f60a4702ab031fa60181172d953dc34ce52d7
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64379


Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>