[!!!][TASK] Remove deprecated context menu configuration handling

Resolves: #101066
Related: #100963
Related: #99084
Releases: main
Change-Id: If83f22baee8be3d788a62e7bd675d2567aae838e
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/79383


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