Remove obsolete stuff from ia64-linux configuration

[Kevin Buettner]

On Feb 4,  2:13pm, Andreas Schwab wrote:

> The configuration files for ia64-linux contain some stuff to work around
> problems with early development versions of glibc.  This is already
> obsolete for a long time.
> 
> Andreas.
> 
> 2002-02-04  Andreas Schwab  <schwab@suse.de>
> 
> 	* config/ia64/linux.mh: Don't set NAT_CLIBS and REGEX.
> 	* config/ia64/linux.mt: Don't set GDBSERVER_LIBS.

This is fine.  (Approved.)

Thanks,

Kevin