[TASK] Deprecate CategoryRegistry and API method

In #94622 the TCA type `category` was introduced as
replacement for the CategoryRegistry.

Therefore, the CategoryRegistry as well as the API method
ExtensionManagementUtility::makeCategorizable() are now
deprecated.

Resolves: #85613
Related: #94622
Releases: master
Change-Id: Ie12a643b97e2149981aec3fb1599bf8c8b4a8d64
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70202


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