[!!!][TASK] Remove deprecated Extbase-related code

[!!!][TASK] Remove deprecated Extbase-related code

* Cli functionality
* annotations @cli @internal @flushesCaches
* config.tx_extbase.objects
* plugin.tx_%plugin%.objects

Resolves: #87246
Releases: master
Change-Id: Ic53699f5aa0219d418fe4e385157c90c2083dce8
Reviewed-on: https://review.typo3.org/59241
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Alexander Schnitzler <typo3@alexanderschnitzler.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>