[TASK] Remove redundant toArray method on Fluid TemplatePaths

Inherited method is 100% identical in behavior - overridden
method can be safely removed.

Change-Id: I86cafa119c7d9c4a1ebbbbc578230386073ea1c9
Resolves: #76691
Releases: master
Reviewed-on: https://review.typo3.org/48601


Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>