[TASK] Remove variables that are unused

Several unused variables are found that can be removed without
problems.

Resolves: #94793
Releases: master
Change-Id: Ibf87fc95fbfe6da1b0dc7ba9e5939d7e738fa867
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70410


Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Busemann <stefan.busemann@in2code.de>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: crell <larry@garfieldtech.com>
Reviewed-by: Stefan Busemann <stefan.busemann@in2code.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>