[FOLLOWUP][TASK] FAL-based database fields moved to integer

Remove duplicated "image" field definition in test scenario.

Related: #69909
Releases: master, 8.7
Change-Id: Ie87e2e62e036fa70fb837f9bd05f2c3ba13019fa
Reviewed-on: https://review.typo3.org/54668


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Oliver Hader <oliver.hader@typo3.org>