[!!!][TASK] Remove GeneralUtility::rmFromList

GeneralUtility::rmFromList is unused since at
least v10 and is therefore now removed.

Resolves: #96142
Related: #94311
Releases: main
Change-Id: Ib237bc7fb2af58877f0baef94d97853cefe396ea
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72377


Tested-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>