- Remove arch name in resulting file as the file should contain all arches.

- Make sure to delete all files that don't get uninstalled automatically before uninstall process begins.

code/unix/setup/preuninstall.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+rm COPYING
+rmdir --ignore-fail-on-non-empty demoq3 missionpack