Revert "[BUGFIX] Fix HttpRequest instantiation"

Without something like '"minimum-stability": "dev"' distribution
packages depending on "typo3/cms" cannot have its dependencies
resolved by Composer.

Releases: master
Reverts: #67838

Change-Id: Id7446239d47ea72b63740a38f1f60a1187dc85c7
Reviewed-on: http://review.typo3.org/42130


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>