Remove code that sets user.* system properties.

This has been disallowed by the SELinux for several years now,
so can safely be removed. Given that saveLocaleLocked is
simplified quite a bit, we can now inline into its only caller.

bug: 18910417

Change-Id: I18251f77e4a25a0e7ecda8e85a9b3fcdc2dc7b05
1 file changed