[TASK] Make use of "use"-statement for LocalizationUtility

Change-Id: I4e88dbf9c597901ee559fe1bdadf23bf011a91bc
Resolves: #67711
Releases: master
Reviewed-on: http://review.typo3.org/41055


Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Daniel Maier <dani-maier@gmx.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>