drop ludicrously old msg_filter foo

Change-Id: Ie53c9acd51a53fbb11f0735739edbf18551a620b

solenv/bin/msg_filter

-: # -*- perl -*-
-eval 'exec perl -wS $0 ${1+"$@"}'
-	if 0;
-#
-# 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 .
-#
-# This is a script to get rid of bogus error messages that are spit out
-# by the compiler - sub 30/11/1999
-
-# Lines that contain `xxxx' where xxxx belongs to the list knownMessages
-# and is surrounded by a backtick (`) and a forward tick (') 
-# will not be seen in the compiler output
-
-
-@knownMessages	= (
-"__pure_virtual",
-"__vt_9bad_alloc",
-"__vt_9exception",
-"_._9bad_alloc",
-"__cp_push_exception",
-"__uncatch_exception",
-"__rtti_user",
-"__rtti_si",
-"__throw",
-"terminate__Fv",
-"__cp_pop_exception",
-"__builtin_vec_new",
-"__cmpdi2",
-"__builtin_vec_delete",
-"__cp_eh_info",
-"__builtin_delete",
-"__builtin_new",
-"__eh_alloc",
-"__check_eh_spec",
-"_type_match_rtti",
-"__rtti_class",
-"set_new_handler_FPFv_v",
-"__throw_type_match_rtti",
-"__check_eh_spec",
-"exception_type_info",
-"exception type_info function",
-"exception type_info node",
-"exception virtual table",
-"terminate(void)"
-);
-
-# Create a hash %msgHash from list @knownMessages
-foreach $msg (@knownMessages) {
-	$msgHash {$msg}++;
-}
-while ( <STDIN> ) {
-	
-	if (/\`([\s\w]+)\'/) {
-		$entry = $1;
-		if (defined($entry)) {
-			if (!exists $msgHash{$entry}) {
-				print $_;
-			}
-		}
-	}
-	else {
-		print $_;
-	}
-}