netd.te: Remove allow netd toolbox_exec:file rx_file_perms;

no SELinux denials from auditallow

Change-Id: Ied61f7f97b148b1c10d0f71e9ab30c136a123738

netd.te

@@ -20,9 +20,6 @@ allow netd self:netlink_nflog_socket create_socket_perms;
 allow netd self:netlink_socket create_socket_perms;
 allow netd shell_exec:file rx_file_perms;
 allow netd system_file:file x_file_perms;
-# XXX Run toolbox.  Might not be needed.
-allow netd toolbox_exec:file rx_file_perms;
-auditallow netd toolbox_exec:file rx_file_perms;
 allow netd devpts:chr_file rw_file_perms;
 
 # For /proc/sys/net/ipv[46]/route/flush.