controllers/notifications: Removed unnecessary join
controllers/notifications: Removed unnecessary join

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