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_pmem.h b/libc/kernel/common/linux/android_pmem.h
index 8c605e4..be0b342 100644
--- a/libc/kernel/common/linux/android_pmem.h
+++ b/libc/kernel/common/linux/android_pmem.h
@@ -7,43 +7,43 @@
  ***   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 _ANDROID_PMEM_H_
 #define _ANDROID_PMEM_H_
+
 #define PMEM_IOCTL_MAGIC 'p'
 #define PMEM_GET_PHYS _IOW(PMEM_IOCTL_MAGIC, 1, unsigned int)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PMEM_MAP _IOW(PMEM_IOCTL_MAGIC, 2, unsigned int)
 #define PMEM_GET_SIZE _IOW(PMEM_IOCTL_MAGIC, 3, unsigned int)
 #define PMEM_UNMAP _IOW(PMEM_IOCTL_MAGIC, 4, unsigned int)
+
 #define PMEM_ALLOCATE _IOW(PMEM_IOCTL_MAGIC, 5, unsigned int)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define PMEM_CONNECT _IOW(PMEM_IOCTL_MAGIC, 6, unsigned int)
+
 #define PMEM_GET_TOTAL_SIZE _IOW(PMEM_IOCTL_MAGIC, 7, unsigned int)
 #define PMEM_CACHE_FLUSH _IOW(PMEM_IOCTL_MAGIC, 8, unsigned int)
+
 struct android_pmem_platform_data
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 {
  const char* name;
+
  unsigned long start;
+
  unsigned long size;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
  unsigned no_allocator;
+
  unsigned cached;
+
  unsigned buffered;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct pmem_region {
  unsigned long offset;
  unsigned long len;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #endif
+