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/ppp_defs.h b/libc/kernel/common/linux/ppp_defs.h
index ed115fd..da54ac7 100644
--- a/libc/kernel/common/linux/ppp_defs.h
+++ b/libc/kernel/common/linux/ppp_defs.h
@@ -7,127 +7,115 @@
  ***   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 _PPP_DEFS_H_
 #define _PPP_DEFS_H_
+
 #define PPP_HDRLEN 4  
 #define PPP_FCSLEN 2  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PPP_MRU 1500  
+
 #define PPP_ADDRESS(p) (((__u8 *)(p))[0])
 #define PPP_CONTROL(p) (((__u8 *)(p))[1])
 #define PPP_PROTOCOL(p) ((((__u8 *)(p))[2] << 8) + ((__u8 *)(p))[3])
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define PPP_ALLSTATIONS 0xff  
 #define PPP_UI 0x03  
 #define PPP_FLAG 0x7e  
 #define PPP_ESCAPE 0x7d  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PPP_TRANS 0x20  
+
 #define PPP_IP 0x21  
 #define PPP_AT 0x29  
 #define PPP_IPX 0x2b  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PPP_VJC_COMP 0x2d  
 #define PPP_VJC_UNCOMP 0x2f  
 #define PPP_MP 0x3d  
 #define PPP_IPV6 0x57  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PPP_COMPFRAG 0xfb  
 #define PPP_COMP 0xfd  
 #define PPP_MPLS_UC 0x0281  
 #define PPP_MPLS_MC 0x0283  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PPP_IPCP 0x8021  
 #define PPP_ATCP 0x8029  
 #define PPP_IPXCP 0x802b  
 #define PPP_IPV6CP 0x8057  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PPP_CCPFRAG 0x80fb  
 #define PPP_CCP 0x80fd  
 #define PPP_MPLSCP 0x80fd  
 #define PPP_LCP 0xc021  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PPP_PAP 0xc023  
 #define PPP_LQR 0xc025  
 #define PPP_CHAP 0xc223  
 #define PPP_CBCP 0xc029  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define PPP_INITFCS 0xffff  
 #define PPP_GOODFCS 0xf0b8  
+
 typedef __u32 ext_accm[8];
+
 enum NPmode {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  NPMODE_PASS,
  NPMODE_DROP,
  NPMODE_ERROR,
  NPMODE_QUEUE
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
+
 struct pppstat {
  __u32 ppp_discards;
+
  __u32 ppp_ibytes;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 ppp_ioctects;
  __u32 ppp_ipackets;
  __u32 ppp_ierrors;
  __u32 ppp_ilqrs;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
  __u32 ppp_obytes;
  __u32 ppp_ooctects;
  __u32 ppp_opackets;
  __u32 ppp_oerrors;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 ppp_olqrs;
 };
+
 struct vjstat {
  __u32 vjs_packets;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 vjs_compressed;
  __u32 vjs_searches;
  __u32 vjs_misses;
  __u32 vjs_uncompressedin;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 vjs_compressedin;
  __u32 vjs_errorin;
  __u32 vjs_tossed;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct compstat {
  __u32 unc_bytes;
  __u32 unc_packets;
  __u32 comp_bytes;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 comp_packets;
  __u32 inc_bytes;
  __u32 inc_packets;
+
  __u32 in_count;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 bytes_out;
+
  double ratio;
 };
+
 struct ppp_stats {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct pppstat p;
  struct vjstat vj;
 };
+
 struct ppp_comp_stats {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct compstat c;
  struct compstat d;
 };
+
 struct ppp_idle {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  time_t xmit_idle;
  time_t recv_idle;
 };
+
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */