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/arch-x86/asm/desc_defs.h b/libc/kernel/arch-x86/asm/desc_defs.h
index 32b46e1..bf6de4a 100644
--- a/libc/kernel/arch-x86/asm/desc_defs.h
+++ b/libc/kernel/arch-x86/asm/desc_defs.h
@@ -7,70 +7,64 @@
  ***   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 __ARCH_DESC_DEFS_H
 #define __ARCH_DESC_DEFS_H
+
 #ifndef __ASSEMBLY__
+
 #include <linux/types.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct desc_struct {
  u16 limit0;
  u16 base0;
  unsigned base1 : 8, type : 4, s : 1, dpl : 2, p : 1;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned limit : 4, avl : 1, l : 1, d : 1, g : 1, base2 : 8;
 } __attribute__((packed));
+
 struct n_desc_struct {
  unsigned int a,b;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 enum {
  GATE_INTERRUPT = 0xE,
  GATE_TRAP = 0xF,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  GATE_CALL = 0xC,
 };
+
 struct gate_struct {
  u16 offset_low;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  u16 segment;
  unsigned ist : 3, zero0 : 5, type : 5, dpl : 2, p : 1;
  u16 offset_middle;
  u32 offset_high;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  u32 zero1;
 } __attribute__((packed));
+
 #define PTR_LOW(x) ((unsigned long)(x) & 0xFFFF)
 #define PTR_MIDDLE(x) (((unsigned long)(x) >> 16) & 0xFFFF)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PTR_HIGH(x) ((unsigned long)(x) >> 32)
+
 enum {
  DESC_TSS = 0x9,
  DESC_LDT = 0x2,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 struct ldttss_desc {
  u16 limit0;
  u16 base0;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned base1 : 8, type : 5, dpl : 2, p : 1;
  unsigned limit1 : 4, zero0 : 3, g : 1, base2 : 8;
  u32 base3;
  u32 zero1;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } __attribute__((packed));
+
 struct desc_ptr {
  unsigned short size;
  unsigned long address;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } __attribute__((packed)) ;
+
 #endif
+
 #endif