mm, hwpoison: remove obsolete "Notebook" todo list

All the items mentioned here have been either addressed, or were not
really needed.  So just remove the comment.
Signed-off-by: NAndi Kleen <ak@linux.intel.com>
Acked-by: NNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

mm/memory-failure.c

@@ -36,13 +36,6 @@
  * are rare we hope to get away with this. This avoids impacting the core 
  * VM.
  */
-
-/*
- * Notebook:
- * - hugetlb needs more code
- * - kcore/oldmem/vmcore/mem/kmem check for hwpoison pages
- * - pass bad pages to kdump next kernel
- */
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/page-flags.h>