Revert "Update bionic kernel headers using update_all.py"

This reverts commit 94a85f663694e1869acb1c2e8a3c374a6fa3ab86

There is a smoke test failure for Prime but Crespo/Stingray are fine. Will revert the change for now until further investigation is made.
diff --git a/libc/kernel/common/linux/klist.h b/libc/kernel/common/linux/klist.h
index 3afbc21..0df014f 100644
--- a/libc/kernel/common/linux/klist.h
+++ b/libc/kernel/common/linux/klist.h
@@ -7,43 +7,35 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
- ***   To edit the content of this header, modify the corresponding
- ***   source file (e.g. under external/kernel-headers/original/) then
- ***   run bionic/libc/kernel/tools/update_all.py
- ***
- ***   Any manual change here will be lost the next time this script will
- ***   be run. You've been warned!
- ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _LINUX_KLIST_H
 #define _LINUX_KLIST_H
+
 #include <linux/spinlock.h>
 #include <linux/completion.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/kref.h>
 #include <linux/list.h>
+
 struct klist_node;
 struct klist {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  spinlock_t k_lock;
  struct list_head k_list;
  void (*get)(struct klist_node *);
  void (*put)(struct klist_node *);
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 struct klist_node {
  struct klist * n_klist;
  struct list_head n_node;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct kref n_ref;
  struct completion n_removed;
 };
+
 struct klist_iter {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct klist * i_klist;
  struct list_head * i_head;
  struct klist_node * i_cur;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #endif