controller/statistics: Removed duplicate code
controller/statistics: Removed duplicate code

These functions were not supposed to be included in the controller...

Harry-R/skylines,shadowoneau/skylines,Harry-R/skylines,skylines-project/skylines,kerel-fs/skylines,dkm/skylines,shadowoneau/skylines,Harry-R/skylines,kerel-fs/skylines,snip/skylines,RBE-Avionik/skylines,TobiasLohner/SkyLines,dkm/skylines,skylines-project/skylines,dkm/skylines,Turbo87/skylines,Turbo87/skylines,skylines-project/skylines,TobiasLohner/SkyLines,RBE-Avionik/skylines,Turbo87/skylines,shadowoneau/skylines,shadowoneau/skylines,Turbo87/skylines,TobiasLohner/SkyLines,kerel-fs/skylines,RBE-Avionik/skylines,RBE-Avionik/skylines,dkm/skylines,snip/skylines,Harry-R/skylines,skylines-project/skylines,snip/skylines