XXX removed ill_null symbol

*** 103,113 ****
  ilb_sticky_hash_size
  ilb_sticky_expiry
  ilb_sticky_timer_size
  ilb_sticky_timeout
  ill_no_arena
- ill_null
  inet_dev_info
  inet_devops
  ip6_ftable_hash_size
  ip6opt_ls
  ip_cgtp_filter_rev
--- 103,112 ----