[NC#3] clatd: remove raw and packet socket creation privs

Don't need these permission anymore because the raw and packet
socket setup are moved from clatd to netd.

Test: manual test
1. Connect to ipv6-only wifi.
2. Try IPv4 traffic.
   $ ping 8.8.8.8

Change-Id: I07d890df2d1b8d9c1736aa5e6dc36add4f46345b
diff --git a/private/clatd.te b/private/clatd.te
index 104121e..da6820c 100644
--- a/private/clatd.te
+++ b/private/clatd.te
@@ -18,5 +18,4 @@
 allow clatd self:global_capability_class_set { net_admin net_raw setuid setgid };
 
 allow clatd self:netlink_route_socket nlmsg_write;
-allow clatd self:{ packet_socket rawip_socket } create_socket_perms_no_ioctl;
 allow clatd tun_device:chr_file rw_file_perms;