Remove PS/2 keyboard function KB_READ_KEY_NONBLOCK

libkb/kb.c

@@ -13,13 +13,3 @@ int kb_read_key (void) {
   else
     return r;
 }
-
-int kb_read_key_nonblock (void) {
-  char ch = 0;
-  int r = device_do ("kb", KB_READ_KEY_NONBLOCK, &ch, NULL, NULL, NULL);
-
-  if (r == ST_OK)
-    return (int)ch;
-  else
-    return r;
-}