[TASK] Remove deprecated check in llXmlAutoFileName for typo3_src/tests

Resolves: #61862
Releases: master
Change-Id: I899916a6ee9bb0684fd91d76fca99b32a1c8f6b9
Reviewed-on: http://review.typo3.org/32957
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>