The security fix related to better hashed sessions
had fallbacks to deal with existing non hashed sessions.
This was for a smooth transition in security patch
level releases. The patch drops these fallbacks in master.

Resolves: #93140
Releases: master
Change-Id: I68172fd26619d93068fc6a2490134bfb9b8a204e
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/67223


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>