[!!!][TASK] Remove deprecated code in BackendUtility

Removed public methods:
* \TYPO3\CMS\Backend\Utility\BackendUtility::getRecordToolTip

Resolves: #101025
Related: #100963
Related: #100459
Releases: main
Change-Id: I625050dbf06b76847de30883e0a0c164207efdd4
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/79310


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