Update config.sub?

[Philip Blundell]

>@@ -108,7 +108,6 @@
>   nto-qnx* | linux-gnu*)
>     os=-$maybe_os
>     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
>-    basic_machine=`echo $basic_machine | sed 's/-unknown//'`
>     ;;

This should be taken out now.

p.