remove pf42 branch's todo.

sys/dist/pf/net/TODO

@@ -1,36 +0,0 @@
-pf specific:
-
-TODO:
-
-DONE:
-+ use mbuf tags in pf, don't put everything in mbuf like openbsd does.
-+ interfaces must be known when loading rules and pf is not enabled.
-  do this in pfi_initialize, requires ifinit() to be setup.
-+ ALTQ, make it work
-+ make LKM load/unload work, fix memory leaks if any
-+ create groups like openbsd 3.7 pf (still needs testing)
-+ make filter on gid/pid work
-+ resolve XXXPF comments
-+ implement bound_iface for NAT rules
-
-
-non-pf specific (but needed for pf):
-
-TODO:
-
-DONE:
-+ figure out what to do with ip_icmp.c packet tag
-+ add gid to uidinfo
-+ add creator pid to socket
-
-
-Touched files outside sys/dist/pf:
-- sys/kern/uipc_socket.c
-- sys/kern/uipc_socket2.c
-- sys/kern/init_main.c
-- sys/net/files.pf
-- sys/net/if.c
-- sys/net/if.h
-- sys/netinet/ip_icmp.c
-- sys/sys/mbuf.h
-- sys/sys/socketvar.h