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/common/linux/sem.h b/libc/kernel/common/linux/sem.h
index 5c15194..dfa531b 100644
--- a/libc/kernel/common/linux/sem.h
+++ b/libc/kernel/common/linux/sem.h
@@ -7,85 +7,76 @@
  ***   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 _LINUX_SEM_H
 #define _LINUX_SEM_H
+
 #include <linux/ipc.h>
+
 #define SEM_UNDO 0x1000  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define GETPID 11  
 #define GETVAL 12  
 #define GETALL 13  
 #define GETNCNT 14  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define GETZCNT 15  
 #define SETVAL 16  
 #define SETALL 17  
+
 #define SEM_STAT 18
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SEM_INFO 19
+
 struct semid_ds {
  struct ipc_perm sem_perm;
  __kernel_time_t sem_otime;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __kernel_time_t sem_ctime;
  struct sem *sem_base;
  struct sem_queue *sem_pending;
  struct sem_queue **sem_pending_last;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct sem_undo *undo;
  unsigned short sem_nsems;
 };
+
 #include <asm/sembuf.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct sembuf {
  unsigned short sem_num;
  short sem_op;
  short sem_flg;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 union semun {
  int val;
  struct semid_ds __user *buf;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned short __user *array;
  struct seminfo __user *__buf;
  void __user *__pad;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct seminfo {
  int semmap;
  int semmni;
  int semmns;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int semmnu;
  int semmsl;
  int semopm;
  int semume;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int semusz;
  int semvmx;
  int semaem;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define SEMMNI 128  
 #define SEMMSL 250  
 #define SEMMNS (SEMMNI*SEMMSL)  
 #define SEMOPM 32  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SEMVMX 32767  
 #define SEMAEM SEMVMX  
+
 #define SEMUME SEMOPM  
 #define SEMMNU SEMMNS  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SEMMAP SEMMNS  
 #define SEMUSZ 20  
+
 #endif