[TASK] Replace DatabaseConnection->cleanIntArray()

DatabaseConnection uses plain PHP code under the hood,
so the code can be used directly.

Resolves: #77392
Releases: master
Change-Id: I8b64414a538dc68cb4594751c393009c54b499c6
Reviewed-on: https://review.typo3.org/49361


Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>