controllers/notifications: Removed unnecessary Query.all() call
controllers/notifications: Removed unnecessary Query.all() call

The query is iterable directly.

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