[TASK] Remove leftover @transient annotations

@transient was deprecated with #54760.
But those usages don't make sense in TYPO3 Core here
and might be leftovers from Flow.

Related: #83092
Resolves: #83259
Releases: master
Change-Id: I51427ac48176fbfa2e3e2dbf09090fc872bf95a2
Reviewed-on: https://review.typo3.org/54984


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Alexander Schnitzler <typo3@alexanderschnitzler.de>
Tested-by: Alexander Schnitzler <typo3@alexanderschnitzler.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: Susanne Moog <susanne.moog@typo3.org>