chore: migrate to qt tray for all platforms (#5260)

packaging/linux/Arch/PKGBUILD

@@ -39,7 +39,6 @@ depends=(
   'libdrm'
   'libevdev'
   'libmfx'
-  'libnotify'
   'libpipewire'
   'libpulse'
   'libva'

packaging/linux/copr/Sunshine.spec

@@ -31,7 +31,6 @@ BuildRequires: libcap-devel
 BuildRequires: libcurl-devel
 BuildRequires: libdrm-devel
 BuildRequires: libevdev-devel
-BuildRequires: libnotify-devel >= 0.8.0
 BuildRequires: libva-devel
 BuildRequires: libX11-devel
 BuildRequires: libxcb-devel
@@ -152,7 +151,6 @@ BuildRequires: libqt6-qtsvg-devel
 %global cuda_dir %{_builddir}/cuda
 
 # Common runtime requirements
-Requires: libnotify >= 0.8.0
 Requires: miniupnpc >= 2.2.4
 Requires: which >= 2.21