Use chromedriver directly in acceptance tests instead of
routing through selenium-server.

Change-Id: I229032b1b1ec1b0e6f5e4c2eb5435e3ff0ae95df
Resolves: #82683
Releases: master, 8.7
Reviewed-on: https://review.typo3.org/54300


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>