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/irqflags_32.h b/libc/kernel/arch-x86/asm/irqflags_32.h
index 9d77264..9002e44 100644
--- a/libc/kernel/arch-x86/asm/irqflags_32.h
+++ b/libc/kernel/arch-x86/asm/irqflags_32.h
@@ -7,38 +7,27 @@
  ***   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_IRQFLAGS_H
 #define _ASM_IRQFLAGS_H
 #include <asm/processor-flags.h>
+
 #ifndef __ASSEMBLY__
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef __ASSEMBLY__
 #else
 #define DISABLE_INTERRUPTS(clobbers) cli
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ENABLE_INTERRUPTS(clobbers) sti
 #define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit
 #define INTERRUPT_RETURN iret
 #define GET_CR0_INTO_EAX movl %cr0, %eax
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #ifndef __ASSEMBLY__
 #define raw_local_save_flags(flags)   do { (flags) = __raw_local_save_flags(); } while (0)
 #define raw_local_irq_save(flags)   do { (flags) = __raw_local_irq_save(); } while (0)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 #define TRACE_IRQS_ON
 #define TRACE_IRQS_OFF
 #define LOCKDEP_SYS_EXIT
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif