[TASK] Remove some unused get methods for TYPO3_DB

Resolves: #77291
Releases: master
Change-Id: Ide336171ccfabb2d347dbad0a7e2f801c062f4e3
Reviewed-on: https://review.typo3.org/49252


Tested-by: Bamboo TYPO3com <info@typo3.com>
Reviewed-by: Frederic Gaus <frederic.gaus@flagbit.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: Susanne Moog <susanne.moog@typo3.org>