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/mtd/nftl.h b/libc/kernel/common/linux/mtd/nftl.h
index 75cdf54..da7320e 100644
--- a/libc/kernel/common/linux/mtd/nftl.h
+++ b/libc/kernel/common/linux/mtd/nftl.h
@@ -7,58 +7,49 @@
  ***   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 __MTD_NFTL_H__
 #define __MTD_NFTL_H__
+
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/blktrans.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #include <mtd/nftl-user.h>
+
 #define BLOCK_NIL 0xffff  
 #define BLOCK_FREE 0xfffe  
 #define BLOCK_NOTEXPLORED 0xfffd  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BLOCK_RESERVED 0xfffc  
+
 struct NFTLrecord {
  struct mtd_blktrans_dev mbd;
  __u16 MediaUnit, SpareMediaUnit;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 EraseSize;
  struct NFTLMediaHeader MediaHdr;
  int usecount;
  unsigned char heads;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned char sectors;
  unsigned short cylinders;
  __u16 numvunits;
  __u16 lastEUN;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 numfreeEUNs;
  __u16 LastFreeEUN;
  int head,sect,cyl;
  __u16 *EUNtable;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 *ReplUnitTable;
  unsigned int nb_blocks;
  unsigned int nb_boot_blocks;
  struct erase_info instr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct nand_ecclayout oobinfo;
 };
+
 #ifndef NFTL_MAJOR
 #define NFTL_MAJOR 93
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
+
 #define MAX_NFTLS 16
 #define MAX_SECTORS_PER_UNIT 64
 #define NFTL_PARTN_BITS 4
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #endif