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/utsname.h b/libc/kernel/common/linux/utsname.h
index ea8c640..ea6ee89 100644
--- a/libc/kernel/common/linux/utsname.h
+++ b/libc/kernel/common/linux/utsname.h
@@ -7,45 +7,38 @@
  ***   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_UTSNAME_H
 #define _LINUX_UTSNAME_H
+
 #define __OLD_UTS_LEN 8
+
 struct oldold_utsname {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char sysname[9];
  char nodename[9];
  char release[9];
  char version[9];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char machine[9];
 };
+
 #define __NEW_UTS_LEN 64
+
 struct old_utsname {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char sysname[65];
  char nodename[65];
  char release[65];
  char version[65];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char machine[65];
 };
+
 struct new_utsname {
  char sysname[65];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char nodename[65];
  char release[65];
  char version[65];
  char machine[65];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char domainname[65];
 };
+
 #endif