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/posix_acl.h b/libc/kernel/common/linux/posix_acl.h
index 3f909a9..bdaee5b 100644
--- a/libc/kernel/common/linux/posix_acl.h
+++ b/libc/kernel/common/linux/posix_acl.h
@@ -7,45 +7,41 @@
  ***   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_POSIX_ACL_H
 #define __LINUX_POSIX_ACL_H
+
 #include <linux/slab.h>
+
 #define ACL_UNDEFINED_ID (-1)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define ACL_TYPE_ACCESS (0x8000)
 #define ACL_TYPE_DEFAULT (0x4000)
+
 #define ACL_USER_OBJ (0x01)
 #define ACL_USER (0x02)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ACL_GROUP_OBJ (0x04)
 #define ACL_GROUP (0x08)
 #define ACL_MASK (0x10)
 #define ACL_OTHER (0x20)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define ACL_READ (0x04)
 #define ACL_WRITE (0x02)
 #define ACL_EXECUTE (0x01)
+
 struct posix_acl_entry {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  short e_tag;
  unsigned short e_perm;
  unsigned int e_id;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct posix_acl {
  atomic_t a_refcount;
  unsigned int a_count;
  struct posix_acl_entry a_entries[0];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 #define FOREACH_ACL_ENTRY(pa, acl, pe)   for(pa=(acl)->a_entries, pe=pa+(acl)->a_count; pa<pe; pa++)
+
 #endif