Switch SELinux back to its default mode

There should not be any need for us to roll with a permissive SELinux
configuration, ever. This commit drops that flag.

This reverts commit 2a31b3b66796b5b25a98599fb7ae9a69ac97ed77.

Change-Id: I027156c940258042df8d260e53d1eb4c65de7fa2
1 file changed