[FOLLOWUP][TASK] Remove unused Extbase exception classes

Re-add existing class aliases introduced in TYPO3 v8

Resolves: #81600
Releases: master
Change-Id: I641347c084c1b671bfa97dab9765fc901a3e4031
Reviewed-on: https://review.typo3.org/53381


Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>