remove unexistend package

cinnamon/base/cinnamon/ympbuild

@@ -11,7 +11,7 @@ source=("https://github.com/linuxmint/cinnamon/archive/refs/tags/$version.tar.gz
         "10-cinnamon-disable-polkit.patch"
         "99-cinnamon-defaults.gschema.override")
 depends=(nm-applet accountsservice cinnamon-control-center cinnamon-menus
-        cinnamon-session cinnamon-settings-daemon cjs gnome-backgrounds gsound gstreamer libcroco
+        cinnamon-session cinnamon-settings-daemon cjs gsound gstreamer libcroco
 		    libgnomekbd libkeybinder3 librsvg muffin nemo polkit-gnome py3-cairo py3-dbus py3-pygobject
 		    py3-pam py3-pexpect py3-pillow py3-inotify py3-tz py3-tinycss2 py3-xapp py3-requests
 		    timezonemap xapp xdg-desktop-portal-xapp caribou