With the removal of export, this bug no longer tests anything

interesting.  It was disabled last week anyhow.  Let's just
delete it.

R=r,rsc
DELTA=12  (0 added, 12 deleted, 0 changed)
OCL=23204
CL=23219

test/fixedbugs/bug025.go

-// Copyright 2009 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// # ! $G $D/$F.go
-
-package main
-
-foo
-
-func main() {}
-
-/*
-bug25.go:5: fatal error: dumpexportvar: oname nil: Foo
-
-*/