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/byteorder.h b/libc/kernel/arch-x86/asm/byteorder.h
index 98fc6b1..a839798 100644
--- a/libc/kernel/arch-x86/asm/byteorder.h
+++ b/libc/kernel/arch-x86/asm/byteorder.h
@@ -7,68 +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 _ASM_X86_BYTEORDER_H
 #define _ASM_X86_BYTEORDER_H
+
 #include <asm/types.h>
 #include <linux/compiler.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #ifdef __GNUC__
+
 #ifdef __i386__
+
 static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
 {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __asm__("xchgb %b0,%h0\n\t"
  "rorl $16,%0\n\t"
  "xchgb %b0,%h0"
  :"=q" (x)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  : "0" (x));
  return x;
 }
+
 static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 {
  union {
  struct { __u32 a,b; } s;
  __u64 u;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  } v;
  v.u = val;
  v.s.a = ___arch__swab32(v.s.a);
  v.s.b = ___arch__swab32(v.s.b);
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __asm__("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b));
  return v.u;
 }
+
 #else
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
 {
  __asm__("bswapq %0" : "=r" (x) : "0" (x));
  return x;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 }
+
 static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
 {
  __asm__("bswapl %0" : "=r" (x) : "0" (x));
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  return x;
 }
+
 #endif
+
 #define __arch__swab64(x) ___arch__swab64(x)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __arch__swab32(x) ___arch__swab32(x)
+
 #define __BYTEORDER_HAS_U64__
+
 #endif
+
 #include <linux/byteorder/little_endian.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #endif