use upstream gamescope

Author: alkazar

manifest

@@ -44,6 +44,7 @@ export PACKAGES="\
 	fuse-zip \
 	fuse2 \
 	fwupd \
+	gamescope \
 	git \
 	gnome-browser-connector \
 	gnome-console \
@@ -202,7 +203,6 @@ export AUR_PACKAGES="\
 	downgrade \
 	evdev-keepalive \
 	frzr \
-	gamescope-plus \
 	gamescope-session-steam-git \
 	gamescope-session-steam-plus-git \
 	gpd-fan-driver-dkms-git \