Remove HAVE_SELINUX guards

Android 4.3, and by extension CM 10.2, default to having SELinux on

Change-Id: Ie7853727102725a75a7d6fa3b3b35b1ffaacd89a
Merge branch 'cm-10.2' into martincz
Merge remote-tracking branch 'mokee/jb-mr2_mkt' into HEAD