The class is not in use anymore, only feedit instantiates the class for legacy reasons.

Also FrontendBackendUserAuthentication->frontendEdit which holds an instance of
that, is deprecated.

Resolves: #86110
Releases: master
Change-Id: I3ff2ae529dd920d2abf9908f2ae94ae4c2bf9c15
Reviewed-on: https://review.typo3.org/58067


Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Jörg Bösche <typo3@joergboesche.de>
Reviewed-by: Andreas Wolf <andreas.wolf@typo3.org>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Georg Ringer <georg.ringer@gmail.com>