appletalk: move random socket generation into per protocol files.
ax25: move random socket generation into per protocol files.
caif: move random socket generation into per protocol files.
can: move random socket generation into per protocol files.
decnet: move random socket generation into per protocol files.
inet: move random socket generation into per protocol files.
inet6: move random socket generation into per protocol files.
ipx: move random socket generation into per protocol files.
irda: move random socket generation into per protocol files.
llc: move random socket generation into per protocol files.
netlink: move random socket generation into per protocol files.
nfc: move random socket generation into per protocol files.
packet: move random socket generation into per protocol files.
phonet: move random socket generation into per protocol files.
rds: move random socket generation into per protocol files.
tipc: move random socket generation into per protocol files.
unix: move random socket generation into per protocol files.
x25: move random socket generation into per protocol files.
now that all cases are converted, remove the local type/proto args.