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/i387_32.h b/libc/kernel/arch-x86/asm/i387_32.h
index 4543da5..8563fb9 100644
--- a/libc/kernel/arch-x86/asm/i387_32.h
+++ b/libc/kernel/arch-x86/asm/i387_32.h
@@ -7,32 +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_I386_I387_H
 #define __ASM_I386_I387_H
+
 #include <linux/sched.h>
 #include <linux/init.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/kernel_stat.h>
 #include <asm/processor.h>
 #include <asm/sigcontext.h>
 #include <asm/user.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define restore_fpu(tsk)   alternative_input(   "nop ; frstor %1",   "fxrstor %1",   X86_FEATURE_FXSR,   "m" ((tsk)->thread.i387.fxsave))
+
 #define kernel_fpu_end() do { stts(); preempt_enable(); } while(0)
+
 #define safe_address (kstat_cpu(0).cpustat.user)
+
 #define __unlazy_fpu( tsk ) do {   if (task_thread_info(tsk)->status & TS_USEDFPU) {   __save_init_fpu(tsk);   stts();   } else   tsk->fpu_counter = 0;  } while (0)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define __clear_fpu( tsk )  do {   if (task_thread_info(tsk)->status & TS_USEDFPU) {   asm volatile("fnclex ; fwait");   task_thread_info(tsk)->status &= ~TS_USEDFPU;   stts();   }  } while (0)
 #define unlazy_fpu( tsk ) do {   preempt_disable();   __unlazy_fpu(tsk);   preempt_enable();  } while (0)
 #define clear_fpu( tsk ) do {   preempt_disable();   __clear_fpu( tsk );   preempt_enable();  } while (0)
+
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */