net: Kill dev_rebuild_header

Now that there are no more users kill dev_rebuild_header and all of it's
implementations.

This is long overdue.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/firewire/net.c
Simple merge

diff --cc drivers/isdn/i4l/isdn_net.c
Simple merge

diff --cc drivers/media/dvb-core/dvb_net.c
Simple merge

diff --cc drivers/net/arcnet/arcnet.c
Simple merge

diff --cc drivers/net/ipvlan/ipvlan_main.c
Simple merge

diff --cc drivers/net/macvlan.c
Simple merge

diff --cc drivers/net/wireless/hostap/hostap_main.c
Simple merge

diff --cc include/linux/etherdevice.h
Simple merge

diff --cc include/linux/netdevice.h
Simple merge

diff --cc net/802/fc.c
Simple merge

diff --cc net/802/fddi.c
Simple merge

diff --cc net/802/hippi.c
Simple merge

diff --cc net/8021q/vlan_dev.c
Simple merge

diff --cc net/ethernet/eth.c
Simple merge

diff --cc net/netrom/nr_dev.c
Simple merge

diff --cc net/rose/rose_dev.c
Simple merge