[patch] Remove unsupported hosts/builds from gcc/config.*

[Lynn A. Boger]

This patch was committed without regenerating gcc/configure.

On 08/21/2015 03:10 AM, FX wrote:
> Attached patch removes special cases for the following unsupported targets as build and host environments:
>
> - uwin*
> - i370-*-opened* | i370-*-mvs*
> - i[34567]86-*-sco3.2v5*
> - i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4*
> - i[34567]86-*-sysv4*
> - i[34567]86-*-udk*
> - i[34567]86-*-uwin*
> - i386-*-vsta
> - powerpc-*-beos*
>
> All were deleted as targets in 2008, except for i386-*-vsta which was removed in 2004.
>
> OK to commit to trunk?
>
> FX
>
>