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/bbm.h b/libc/kernel/common/linux/mtd/bbm.h
index cde3903..e311b23 100644
--- a/libc/kernel/common/linux/mtd/bbm.h
+++ b/libc/kernel/common/linux/mtd/bbm.h
@@ -7,64 +7,69 @@
  ***   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_MTD_BBM_H
 #define __LINUX_MTD_BBM_H
+
 #define NAND_MAX_CHIPS 8
+
 struct nand_bbt_descr {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int options;
  int pages[NAND_MAX_CHIPS];
  int offs;
  int veroffs;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint8_t version[NAND_MAX_CHIPS];
  int len;
  int maxblocks;
  int reserved_block_code;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint8_t *pattern;
 };
+
 #define NAND_BBT_NRBITS_MSK 0x0000000F
 #define NAND_BBT_1BIT 0x00000001
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NAND_BBT_2BIT 0x00000002
 #define NAND_BBT_4BIT 0x00000004
 #define NAND_BBT_8BIT 0x00000008
+
 #define NAND_BBT_LASTBLOCK 0x00000010
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define NAND_BBT_ABSPAGE 0x00000020
+
 #define NAND_BBT_SEARCH 0x00000040
+
 #define NAND_BBT_PERCHIP 0x00000080
+
 #define NAND_BBT_VERSION 0x00000100
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define NAND_BBT_CREATE 0x00000200
+
 #define NAND_BBT_SCANALLPAGES 0x00000400
+
 #define NAND_BBT_SCANEMPTY 0x00000800
+
 #define NAND_BBT_WRITE 0x00001000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define NAND_BBT_SAVECONTENT 0x00002000
+
 #define NAND_BBT_SCAN2NDPAGE 0x00004000
+
 #define NAND_BBT_SCAN_MAXBLOCKS 4
+
 #define ONENAND_BADBLOCK_POS 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct bbm_info {
  int bbt_erase_shift;
  int badblockpos;
  int options;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
  uint8_t *bbt;
+
  int (*isbad_bbt)(struct mtd_info *mtd, loff_t ofs, int allowbbt);
+
  struct nand_bbt_descr *badblock_pattern;
+
  void *priv;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 #endif