Revert "Allow ueventd to set verity.* properties"

Updating properties from ueventd may lead to deadlocks with init in rare
cases, which makes these changes unnecessary after all.

This reverts commit 47cd53a5.

Change-Id: I87bdd66f0ec025eb3a9ea17574a67e908f3de6da

property.te

@@ -8,7 +8,6 @@ type radio_prop, property_type;
 type net_radio_prop, property_type;
 type system_radio_prop, property_type;
 type system_prop, property_type;
-type verity_prop, property_type;
 type vold_prop, property_type;
 type ctl_bootanim_prop, property_type;
 type ctl_default_prop, property_type;

property_contexts

@@ -49,9 +49,6 @@ selinux.                u:object_r:security_prop:s0
 vold.                   u:object_r:vold_prop:s0
 crypto.                 u:object_r:vold_prop:s0
 
-# dm-verity properties
-verity.                 u:object_r:verity_prop:s0
-
 # ro.build.fingerprint is either set in /system/build.prop, or is
 # set at runtime by system_server.
 build.fingerprint       u:object_r:fingerprint_prop:s0

ueventd.te

@@ -23,9 +23,3 @@ allow ueventd efs_file:file r_file_perms;
 
 # Use setfscreatecon() to label /dev directories and files.
 allow ueventd self:process setfscreate;
-
-# Set property.
-unix_socket_connect(ueventd, property, init)
-
-# Property service
-allow ueventd verity_prop:property_service set;