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/nfsacl.h b/libc/kernel/common/linux/nfsacl.h
index 675471a..7dd95ab 100644
--- a/libc/kernel/common/linux/nfsacl.h
+++ b/libc/kernel/common/linux/nfsacl.h
@@ -7,30 +7,26 @@
  ***   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_NFSACL_H
 #define __LINUX_NFSACL_H
+
 #define NFS_ACL_PROGRAM 100227
+
 #define ACLPROC2_GETACL 1
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ACLPROC2_SETACL 2
 #define ACLPROC2_GETATTR 3
 #define ACLPROC2_ACCESS 4
+
 #define ACLPROC3_GETACL 1
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ACLPROC3_SETACL 2
+
 #define NFS_ACL 0x0001
 #define NFS_ACLCNT 0x0002
 #define NFS_DFACL 0x0004
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NFS_DFACLCNT 0x0008
+
 #define NFS_ACL_DEFAULT 0x1000
+
 #endif