property.te: delete security_prop

This property is never used.

Test: policy compiles
Change-Id: I43ace92950e1221754db28548031fbbfc0437d7a

private/property_contexts

@@ -65,7 +65,6 @@ ro.device_owner         u:object_r:device_logging_prop:s0
 
 # selinux non-persistent properties
 selinux.restorecon_recursive   u:object_r:restorecon_prop:s0
-selinux.                       u:object_r:security_prop:s0
 
 # default property context
 *                       u:object_r:default_prop:s0

public/domain.te

@@ -229,9 +229,6 @@ neverallow { domain -recovery } self:capability2 mac_admin;
 # It is sealed.
 neverallow * kernel:security load_policy;
 
-# Only init and the system_server shall use the property_service.
-neverallow { domain -init -system_server } security_prop:property_service set;
-
 # Only init prior to switching context should be able to set enforcing mode.
 # init starts in kernel domain and switches to init domain via setcon in
 # the init.rc, so the setenforce occurs while still in kernel. After

public/property.te

@@ -35,7 +35,6 @@ type powerctl_prop, property_type, core_property_type;
 type radio_prop, property_type, core_property_type;
 type restorecon_prop, property_type, core_property_type;
 type safemode_prop, property_type;
-type security_prop, property_type, core_property_type;
 type shell_prop, property_type, core_property_type;
 type system_prop, property_type, core_property_type;
 type system_radio_prop, property_type, core_property_type;