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/arch/cpu.h b/libc/kernel/arch-arm/asm/arch/cpu.h
index fb95048..fa7a408 100644
--- a/libc/kernel/arch-arm/asm/arch/cpu.h
+++ b/libc/kernel/arch-arm/asm/arch/cpu.h
@@ -7,60 +7,51 @@
  ***   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 __ASM_ARCH_OMAP_CPU_H
 #define __ASM_ARCH_OMAP_CPU_H
+
 #define omap2_cpu_rev() ((system_rev >> 8) & 0x0f)
+
 #undef MULTI_OMAP1
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #undef MULTI_OMAP2
 #undef OMAP_NAME
+
 #define GET_OMAP_CLASS (system_rev & 0xff)
+
 #define IS_OMAP_CLASS(class, id)  static inline int is_omap ##class (void)  {   return (GET_OMAP_CLASS == (id)) ? 1 : 0;  }
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff)
+
 #define IS_OMAP_SUBCLASS(subclass, id)  static inline int is_omap ##subclass (void)  {   return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;  }
+
 #define cpu_is_omap7xx() 0
 #define cpu_is_omap15xx() 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cpu_is_omap16xx() 0
 #define cpu_is_omap24xx() 0
 #define cpu_is_omap242x() 0
 #define cpu_is_omap243x() 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifdef MULTI_OMAP1
 #else
 #endif
 #define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IS_OMAP_TYPE(type, id)  static inline int is_omap ##type (void)  {   return (GET_OMAP_TYPE == (id)) ? 1 : 0;  }
 #define cpu_is_omap310() 0
 #define cpu_is_omap730() 0
 #define cpu_is_omap1510() 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cpu_is_omap1610() 0
 #define cpu_is_omap5912() 0
 #define cpu_is_omap1611() 0
 #define cpu_is_omap1621() 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cpu_is_omap1710() 0
 #define cpu_is_omap2420() 0
 #define cpu_is_omap2422() 0
 #define cpu_is_omap2423() 0
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cpu_is_omap2430() 0
 #ifdef MULTI_OMAP1
 #else
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() ||   cpu_is_omap16xx())
 #define cpu_class_is_omap2() cpu_is_omap24xx()
 #endif