VirtualBox Guest Additions: autostart is not really needed.

VBoxTray replicant is persistent

app-emulation/virtualbox-guest-additions/virtualbox_guest_additions-4.3.53_svn.recipe

@@ -89,23 +89,11 @@ INSTALL()
 #	ln -fs ../../bin/vboxvideo $addOnsDir/kernel/drivers/dev/graphics
 #	cp vboxvideo.accelerant $addOnsDir/accelerants
 
+	mkdir -p $binDir
+	cp VBoxControl VBoxTray VBoxTray $binDir
+
 	# Add a symlink to the Desktop applets directory in Deskbar
 	desktopAppletsDir="$dataDir/deskbar/menu/Desktop applets"
 	mkdir -p "$desktopAppletsDir"
 	ln -s $binDir/VBoxTray "$desktopAppletsDir/VBoxTray"
-
-	mkdir -p $binDir
-	cp VBoxControl VBoxTray VBoxTray $binDir
-
-	echo "target desktop {
-	service x-vnd.Oracle-VBoxGuest {
-		launch /bin/VBoxTray
-		no_safemode
-		legacy
-		on {
-			initial_volumes_mounted
-		}
-	}
-}
-" > $dataDir/user_launch/VBoxTray
 }