Revert "[BUGFIX] Properly handle translation file detection"

This reverts commit 81ec05a3.

The patch is reverted as it was merged in a merge-freeze
by accident.
Backport has not been merged yet.

Change-Id: I805393f32e9ddf0c635d492a298ec0c3d2d50132
Releases: master
Reviewed-on: http://review.typo3.org/37166


Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>