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/random.h b/libc/kernel/common/linux/random.h
index adb80e2..d2bef97 100644
--- a/libc/kernel/common/linux/random.h
+++ b/libc/kernel/common/linux/random.h
@@ -7,30 +7,29 @@
  ***   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_RANDOM_H
 #define _LINUX_RANDOM_H
+
 #include <linux/ioctl.h>
+
 #define RNDGETENTCNT _IOR( 'R', 0x00, int )
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define RNDADDTOENTCNT _IOW( 'R', 0x01, int )
+
 #define RNDGETPOOL _IOR( 'R', 0x02, int [2] )
+
 #define RNDADDENTROPY _IOW( 'R', 0x03, int [2] )
+
 #define RNDZAPENTCNT _IO( 'R', 0x04 )
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define RNDCLEARPOOL _IO( 'R', 0x06 )
+
 struct rand_pool_info {
  int entropy_count;
  int buf_size;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 buf[0];
 };
+
 #endif