Rewrite PS2KB using the new devctl interface

kernel/proc/proc.c

@@ -14,7 +14,6 @@
 #include "bootinfo/bootinfo.h"
 #include "ipc/pipe/pipe.h"
 #include "kproc/kproc.h"
-#include "ps2kbproc/ps2kbproc.h"
 #include "serialproc/serialproc.h"
 #include "sysdefs/processctl.h"
 
@@ -308,18 +307,6 @@ void proc_init(void) {
   spinlock_init(&PROCS.spinlock);
   PROCS.procs = NULL;
 
-  /* kproc_init(proc_spawnkern(&kproc_fn, "kproc")); */
-  /* proc_register(KPROC); */
-  /* PROCS.current = KPROC; */
-  /* KPROC->state = PROC_READY; */
-
-  /* ps2kbproc_init(proc_spawnkern(&ps2kbproc_fn, "ps2kbproc")); */
-  /* proc_register(PS2KBPROC); */
-  /* PS2KBPROC->state = PROC_READY; */
-
-  /* serialproc_init(proc_spawnkern(&serialproc_fn, "serialproc")); */
-  /* proc_register(SERIALPROC); */
-
   Proc *init = proc_spawnuser("base", "/bin/init");
   PROCS.current = init;
   proc_register(init);