[TASK] Remove loadTCA calls

Change-Id: I3de34fcaee7f5a3e973ccf203973d15c9a0e467d
Related: #45107
Releases: 6.1
Reviewed-on: https://review.typo3.org/18027
Reviewed-by: Wouter Wolters
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn