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/tegra_sema.h b/libc/kernel/common/linux/tegra_sema.h
index ad00238..bb11298 100644
--- a/libc/kernel/common/linux/tegra_sema.h
+++ b/libc/kernel/common/linux/tegra_sema.h
@@ -7,22 +7,18 @@
  ***   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_TEGRA_SEMA_H
 #define __LINUX_TEGRA_SEMA_H
+
 #define TEGRA_SEMA_IOCTL_MAGIC 'r'
+
 #define TEGRA_SEMA_IOCTL_WAIT _IOW(TEGRA_SEMA_IOCTL_MAGIC, 0x30, long *)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TEGRA_SEMA_IOCTL_SIGNAL _IO(TEGRA_SEMA_IOCTL_MAGIC, 0x31)
+
 #define TEGRA_SEMA_IOCTL_MIN_NR _IOC_NR(TEGRA_SEMA_IOCTL_WAIT)
 #define TEGRA_SEMA_IOCTL_MAX_NR _IOC_NR(TEGRA_SEMA_IOCTL_SIGNAL)
+
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+