[BUGFIX] Replace deprecated LanguageService injections

Since #94414 directly injecting the LanguageService is
deprecated. The LanguageServiceFactory has to be used
instead. This patch removes some left overs, which
still triggered deprecation log entries.

Resolves: #94803
Related: #94414
Releases: master
Change-Id: Iecbaf0c433ffbad27d82ecb71bd6c170e455c01c
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/69662


Tested-by: core-ci <typo3@b13.com>
Tested-by: Jochen <rothjochen@gmail.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Jochen <rothjochen@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>