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/ipv6.h b/libc/kernel/common/linux/ipv6.h
index 80d8c80..f4ee9a1 100644
--- a/libc/kernel/common/linux/ipv6.h
+++ b/libc/kernel/common/linux/ipv6.h
@@ -7,138 +7,127 @@
  ***   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 _IPV6_H
 #define _IPV6_H
+
 #include <linux/types.h>
 #include <linux/in6.h>
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/byteorder.h>
+
 #define IPV6_MIN_MTU 1280
+
 struct in6_pktinfo {
  struct in6_addr ipi6_addr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int ipi6_ifindex;
 };
+
 struct ip6_mtuinfo {
  struct sockaddr_in6 ip6m_addr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 ip6m_mtu;
 };
+
 struct in6_ifreq {
  struct in6_addr ifr6_addr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 ifr6_prefixlen;
  int ifr6_ifindex;
 };
+
 #define IPV6_SRCRT_STRICT 0x01  
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IPV6_SRCRT_TYPE_0 0  
 #define IPV6_SRCRT_TYPE_2 2  
+
 struct ipv6_rt_hdr {
  __u8 nexthdr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 hdrlen;
  __u8 type;
  __u8 segments_left;
+
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct ipv6_opt_hdr {
  __u8 nexthdr;
  __u8 hdrlen;
+
 } __attribute__((packed));
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define ipv6_destopt_hdr ipv6_opt_hdr
 #define ipv6_hopopt_hdr ipv6_opt_hdr
+
 struct rt0_hdr {
  struct ipv6_rt_hdr rt_hdr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 reserved;
  struct in6_addr addr[0];
+
 #define rt0_type rt_hdr.type
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 struct rt2_hdr {
  struct ipv6_rt_hdr rt_hdr;
  __u32 reserved;
  struct in6_addr addr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #define rt2_type rt_hdr.type
 };
+
 struct ipv6_destopt_hao {
  __u8 type;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 length;
  struct in6_addr addr;
 } __attribute__((packed));
+
 struct ipv6hdr {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifdef __LITTLE_ENDIAN_BITFIELD
  __u8 priority:4,
  version:4;
 #elif defined(__BIG_ENDIAN_BITFIELD)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 version:4,
  priority:4;
 #else
 #error "Please fix <asm/byteorder.h>"
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
  __u8 flow_lbl[3];
+
  __be16 payload_len;
  __u8 nexthdr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 hop_limit;
+
  struct in6_addr saddr;
  struct in6_addr daddr;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 enum {
  DEVCONF_FORWARDING = 0,
  DEVCONF_HOPLIMIT,
  DEVCONF_MTU6,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DEVCONF_ACCEPT_RA,
  DEVCONF_ACCEPT_REDIRECTS,
  DEVCONF_AUTOCONF,
  DEVCONF_DAD_TRANSMITS,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DEVCONF_RTR_SOLICITS,
  DEVCONF_RTR_SOLICIT_INTERVAL,
  DEVCONF_RTR_SOLICIT_DELAY,
  DEVCONF_USE_TEMPADDR,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DEVCONF_TEMP_VALID_LFT,
  DEVCONF_TEMP_PREFERED_LFT,
  DEVCONF_REGEN_MAX_RETRY,
  DEVCONF_MAX_DESYNC_FACTOR,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DEVCONF_MAX_ADDRESSES,
  DEVCONF_FORCE_MLD_VERSION,
  DEVCONF_ACCEPT_RA_DEFRTR,
  DEVCONF_ACCEPT_RA_PINFO,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DEVCONF_ACCEPT_RA_RTR_PREF,
  DEVCONF_RTR_PROBE_INTERVAL,
  DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN,
  DEVCONF_PROXY_NDP,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DEVCONF_OPTIMISTIC_DAD,
  DEVCONF_ACCEPT_SOURCE_ROUTE,
  DEVCONF_MC_FORWARDING,
  DEVCONF_DISABLE_IPV6,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  DEVCONF_ACCEPT_DAD,
  DEVCONF_FORCE_TLLAO,
  DEVCONF_MAX
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+
 #endif