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/mutex-debug.h b/libc/kernel/common/linux/mutex-debug.h
index 5d88f75..7065610 100644
--- a/libc/kernel/common/linux/mutex-debug.h
+++ b/libc/kernel/common/linux/mutex-debug.h
@@ -7,20 +7,16 @@
  ***   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_MUTEX_DEBUG_H
 #define __LINUX_MUTEX_DEBUG_H
+
 #include <linux/linkage.h>
 #include <linux/lockdep.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define __DEBUG_MUTEX_INITIALIZER(lockname)   , .magic = &lockname
+
 #define mutex_init(mutex)  do {   static struct lock_class_key __key;     __mutex_init((mutex), #mutex, &__key);  } while (0)
+
 #endif