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/swap.h b/libc/kernel/common/linux/swap.h
index 0f8e546..63ba556 100644
--- a/libc/kernel/common/linux/swap.h
+++ b/libc/kernel/common/linux/swap.h
@@ -7,58 +7,33 @@
  ***   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_SWAP_H
 #define _LINUX_SWAP_H
+
 #include <linux/spinlock.h>
 #include <linux/linkage.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/mmzone.h>
 #include <linux/list.h>
 #include <linux/sched.h>
+
 #include <asm/atomic.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/page.h>
+
 #define SWAP_FLAG_PREFER 0x8000  
 #define SWAP_FLAG_PRIO_MASK 0x7fff
 #define SWAP_FLAG_PRIO_SHIFT 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define MAX_SWAPFILES_SHIFT 5
 #define MAX_SWAPFILES (1 << MAX_SWAPFILES_SHIFT)
-union swap_header {
- struct {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char reserved[PAGE_SIZE - 10];
- char magic[10];
- } magic;
- struct {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char bootbits[1024];
- __u32 version;
- __u32 last_page;
- __u32 nr_badpages;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned char sws_uuid[16];
- unsigned char sws_volume[16];
- __u32 padding[117];
- __u32 badpages[1];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- } info;
-};
+
 typedef struct {
  unsigned long val;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } swp_entry_t;
+
 struct reclaim_state {
  unsigned long reclaimed_slab;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #endif