[!!!][TASK] Remove deprecated f:switch and f:case

Counterparts exist in Fluid engine.

Change-Id: I7fd0bc3b5569196858a8f5aa6967de2bf76385b1
Resolves: #81307
Resolves: #81106
Releases: master
Reviewed-on: https://review.typo3.org/52915


Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>