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/elf-em.h b/libc/kernel/common/linux/elf-em.h
index 766dd14..e151fdf 100644
--- a/libc/kernel/common/linux/elf-em.h
+++ b/libc/kernel/common/linux/elf-em.h
@@ -7,52 +7,45 @@
  ***   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_ELF_EM_H
 #define _LINUX_ELF_EM_H
+
 #define EM_NONE 0
 #define EM_M32 1
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EM_SPARC 2
 #define EM_386 3
 #define EM_68K 4
 #define EM_88K 5
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EM_486 6  
 #define EM_860 7
 #define EM_MIPS 8  
+
 #define EM_MIPS_RS3_LE 10  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EM_MIPS_RS4_BE 10  
+
 #define EM_PARISC 15  
 #define EM_SPARC32PLUS 18  
 #define EM_PPC 20  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EM_PPC64 21  
 #define EM_SH 42  
 #define EM_SPARCV9 43  
 #define EM_IA_64 50  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EM_X86_64 62  
 #define EM_S390 22  
 #define EM_CRIS 76  
 #define EM_V850 87  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define EM_M32R 88  
 #define EM_H8_300 46  
 #define EM_FRV 0x5441  
+
 #define EM_ALPHA 0x9026
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define EM_CYGNUS_V850 0x9080
+
 #define EM_CYGNUS_M32R 0x9041
+
 #define EM_S390_OLD 0xA390
+
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */