9600 LDT still not happy under KPTI

@@ -360,15 +360,10 @@
         CPU->cpu_id = 0;
 
         CPU->cpu_pri = 12;              /* initial PIL for the boot CPU */
 
         /*
-         * The kernel doesn't use LDTs unless a process explicitly requests one.
-         */
-        p0.p_ldt_desc = null_sdesc;
-
-        /*
          * Initialize thread/cpu microstate accounting
          */
         init_mstate(&t0, LMS_SYSTEM);
         init_cpu_mstate(CPU, CMS_SYSTEM);