More toplevel configure.ac pruning

[Rainer Orth]

"Joseph S. Myers" <joseph@codesourcery.com> writes:

> 	(powerpcle-*-solaris*): Don't disable make expect gnuserv on
> 	target.

As I happen to see this: Solaris/PowerPC is ancient history by now
(2.5.1, 2.6, I believe).  This can probably go.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University