Remove unused file

Change-Id: I249c3a157c7d6924f89e88853f6f63860ed2ff18

solenv/bin/modules/macosxotoolhelper.pm

-#
-# This file is part of the LibreOffice project.
-#
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-#
-# This file incorporates work covered by the following license notice:
-#
-#   Licensed to the Apache Software Foundation (ASF) under one or more
-#   contributor license agreements. See the NOTICE file distributed
-#   with this work for additional information regarding copyright
-#   ownership. The ASF licenses this file to you under the Apache
-#   License, Version 2.0 (the "License"); you may not use this file
-#   except in compliance with the License. You may obtain a copy of
-#   the License at http://www.apache.org/licenses/LICENSE-2.0 .
-#
-
-package macosxotoolhelper;
-require Exporter;
-our @ISA = Exporter;
-our @EXPORT = otoolD;
-
-sub otoolD($) {
-    my ($file) = @_;
-    my $call = "otool -D $file";
-    open(IN, "-|", $call) or die "cannot $call";
-    my $line = <IN>;
-    $line =~ /^\Q$file\E:\n$/ or
-        die "unexpected otool -D output (\"$line\", expecting \"$file:\")";
-    $line = <IN>;
-    <IN> == undef or die "unexpected otool -D output";
-    close(IN);
-    return $line;
-}