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/arch-arm/asm/sizes.h b/libc/kernel/arch-arm/asm/sizes.h
index 7867709..90c1c71 100644
--- a/libc/kernel/arch-arm/asm/sizes.h
+++ b/libc/kernel/arch-arm/asm/sizes.h
@@ -7,40 +7,33 @@
  ***   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 __sizes_h
 #define __sizes_h 1
+
 #define SZ_1K 0x00000400
 #define SZ_4K 0x00001000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SZ_8K 0x00002000
 #define SZ_16K 0x00004000
 #define SZ_64K 0x00010000
 #define SZ_128K 0x00020000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SZ_256K 0x00040000
 #define SZ_512K 0x00080000
+
 #define SZ_1M 0x00100000
 #define SZ_2M 0x00200000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SZ_4M 0x00400000
 #define SZ_8M 0x00800000
 #define SZ_16M 0x01000000
 #define SZ_32M 0x02000000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SZ_64M 0x04000000
 #define SZ_128M 0x08000000
 #define SZ_256M 0x10000000
 #define SZ_512M 0x20000000
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define SZ_1G 0x40000000
 #define SZ_2G 0x80000000
+
 #endif
+