[!!!][TASK] Remove magic setter for $fromTC

Resolves: #61823
Releases: master
Change-Id: I5997954508ecdddb10fc286f5be40fe27cc75d6f
Reviewed-on: http://review.typo3.org/32946
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>