[TASK] Remove dependency mikey179/vfsstream

TYPO3 Core Tests no longer use the vfsStream
dependency, so it is removed.

Resolves: #98939
Related: #97762
Releases: main
Change-Id: I19466200b5dd6c1cfcb035b4ebefb6ac08254c4b
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76308


Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>