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/android_alarm.h b/libc/kernel/common/linux/android_alarm.h
index 015acf4..80828ea 100644
--- a/libc/kernel/common/linux/android_alarm.h
+++ b/libc/kernel/common/linux/android_alarm.h
@@ -7,49 +7,44 @@
  ***   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_ANDROID_ALARM_H
 #define _LINUX_ANDROID_ALARM_H
+
 #include <asm/ioctl.h>
 #include <linux/time.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 typedef enum {
+
  ANDROID_ALARM_RTC_WAKEUP,
  ANDROID_ALARM_RTC,
  ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ANDROID_ALARM_ELAPSED_REALTIME,
  ANDROID_ALARM_SYSTEMTIME,
+
  ANDROID_ALARM_TYPE_COUNT,
+
 } android_alarm_type_t;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 typedef enum {
  ANDROID_ALARM_RTC_WAKEUP_MASK = 1U << ANDROID_ALARM_RTC_WAKEUP,
  ANDROID_ALARM_RTC_MASK = 1U << ANDROID_ALARM_RTC,
  ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK = 1U << ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  ANDROID_ALARM_ELAPSED_REALTIME_MASK = 1U << ANDROID_ALARM_ELAPSED_REALTIME,
  ANDROID_ALARM_SYSTEMTIME_MASK = 1U << ANDROID_ALARM_SYSTEMTIME,
  ANDROID_ALARM_TIME_CHANGE_MASK = 1U << 16
 } android_alarm_return_flags_t;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define ANDROID_ALARM_CLEAR(type) _IO('a', 0 | ((type) << 4)) 
 #define ANDROID_ALARM_WAIT _IO('a', 1) 
 #define ANDROID_ALARM_SET(type) _IOW('a', 2 | ((type) << 4), struct timespec) 
 #define ANDROID_ALARM_SET_AND_WAIT(type) _IOW('a', 3 | ((type) << 4), struct timespec)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ANDROID_ALARM_GET_TIME(type) _IOW('a', 4 | ((type) << 4), struct timespec)
 #define ANDROID_ALARM_SET_RTC _IOW('a', 5, struct timespec)
 #define ANDROID_ALARM_SET_TIMEZONE _IOW('a', 6, struct timezone)
+
 #define ANDROID_ALARM_BASE_CMD(cmd) (cmd & ~(_IOC(0, 0, 0xf0, 0)))
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ANDROID_ALARM_IOCTL_TO_TYPE(cmd) (_IOC_NR(cmd) >> 4)
+
 #endif