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/fixmap_32.h b/libc/kernel/arch-x86/asm/fixmap_32.h
index 94a20a6..95de8a0 100644
--- a/libc/kernel/arch-x86/asm/fixmap_32.h
+++ b/libc/kernel/arch-x86/asm/fixmap_32.h
@@ -7,53 +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 _ASM_FIXMAP_H
 #define _ASM_FIXMAP_H
+
 #define FIXADDR_USER_START __fix_to_virt(FIX_VDSO)
 #define FIXADDR_USER_END __fix_to_virt(FIX_VDSO - 1)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #ifndef __ASSEMBLY__
 #include <linux/kernel.h>
 #include <asm/acpi.h>
 #include <asm/apicdef.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/page.h>
+
 enum fixed_addresses {
  FIX_HOLE,
  FIX_VDSO,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  FIX_DBGP_BASE,
  FIX_EARLYCON_MEM_BASE,
  __end_of_permanent_fixed_addresses,
+
 #define NR_FIX_BTMAPS 16
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  FIX_BTMAP_END = __end_of_permanent_fixed_addresses,
  FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS - 1,
  FIX_WP_TEST,
  __end_of_fixed_addresses
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 #define set_fixmap(idx, phys)   __set_fixmap(idx, phys, PAGE_KERNEL)
+
 #define set_fixmap_nocache(idx, phys)   __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE)
+
 #define clear_fixmap(idx)   __set_fixmap(idx, 0, __pgprot(0))
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define FIXADDR_TOP ((unsigned long)__FIXADDR_TOP)
+
 #define __FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT)
 #define __FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
 #define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FIXADDR_BOOT_START (FIXADDR_TOP - __FIXADDR_BOOT_SIZE)
+
 #define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
 #define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
+
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif