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/math_emu.h b/libc/kernel/arch-x86/asm/math_emu.h
index 068006c..9380d19 100644
--- a/libc/kernel/arch-x86/asm/math_emu.h
+++ b/libc/kernel/arch-x86/asm/math_emu.h
@@ -7,45 +7,34 @@
  ***   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 _I386_MATH_EMU_H
 #define _I386_MATH_EMU_H
+
 #include <asm/sigcontext.h>
+
 struct info {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  long ___orig_eip;
  long ___ebx;
  long ___ecx;
  long ___edx;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  long ___esi;
  long ___edi;
  long ___ebp;
  long ___eax;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  long ___ds;
  long ___es;
  long ___fs;
  long ___orig_eax;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  long ___eip;
  long ___cs;
  long ___eflags;
  long ___esp;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  long ___ss;
  long ___vm86_es;
  long ___vm86_ds;
  long ___vm86_fs;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  long ___vm86_gs;
 };
 #endif