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/aio_abi.h b/libc/kernel/common/linux/aio_abi.h
index 3b87399..c92bc8f 100644
--- a/libc/kernel/common/linux/aio_abi.h
+++ b/libc/kernel/common/linux/aio_abi.h
@@ -7,60 +7,58 @@
  ***   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__AIO_ABI_H
 #define __LINUX__AIO_ABI_H
+
 #include <asm/byteorder.h>
+
 typedef unsigned long aio_context_t;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 enum {
  IOCB_CMD_PREAD = 0,
  IOCB_CMD_PWRITE = 1,
  IOCB_CMD_FSYNC = 2,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  IOCB_CMD_FDSYNC = 3,
+
  IOCB_CMD_NOOP = 6,
 };
+
 struct io_event {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 data;
  __u64 obj;
  __s64 res;
  __s64 res2;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 #ifdef __LITTLE_ENDIAN
 #define PADDED(x,y) x, y
 #elif defined(__BIG_ENDIAN)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PADDED(x,y) y, x
 #else
 #error edit for your odd byteorder.
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct iocb {
+
  __u64 aio_data;
  __u32 PADDED(aio_key, aio_reserved1);
+
  __u16 aio_lio_opcode;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __s16 aio_reqprio;
  __u32 aio_fildes;
+
  __u64 aio_buf;
  __u64 aio_nbytes;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __s64 aio_offset;
+
  __u64 aio_reserved2;
  __u64 aio_reserved3;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #undef IFBIG
 #undef IFLITTLE
+
 #endif
+