winapi: trampoline is not used so remove it.

tools/winapi/trampoline

-#! /usr/bin/perl -w
-#
-# Copyright 1999, 2000, 2001 Patrik Stridvall
-#
-# This library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2.1 of the License, or (at your option) any later version.
-#
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this library; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
-#
-
-use strict;
-
-require Cwd;
-
-my $tool = $0;
-$tool =~ s%^(?:.*?/)?([^/]+)$%$1%;
-
-$_ = Cwd::cwd();
-while($_) {
-    my $file = "$_/tools/winapi/$tool";
-    if(-e $file) {
-	exec("$file @ARGV");
-    }
-    s%/[^/]*$%%;
-}
-print STDERR "$0: $tool: can't link to command\n";