[TASK] Deprecate CacheFactory

CacheManager and CacheFactory are tightly coupled and
a different implemenation of the CacheFactory is not
in sight and doesn't seem to be needed.
The single method from CacheFactory is moved into
CacheManager now and the factory is marked as deprecated
and unused.

Resolves: #76370
Releases: master
Change-Id: I380edef47ebfd6d2cab044a562467c3b685ec96c
Reviewed-on: https://review.typo3.org/48322


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>