libsigc++1: removed libtoolize hack for x86_64, not needed anymore

develop/libsigc++1/libsigc++1.conf

@@ -1,15 +0,0 @@
-# --- SDE-COPYRIGHT-NOTE-BEGIN ---
-# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
-#
-# Filename: package/.../libsigc++1/libsigc++1.conf
-# Copyright (C) 2004 - 2006 The T2 SDE Project
-#
-# More information can be found in the files COPYING and README.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; version 2 of the License. A copy of the
-# GNU General Public License can be found in the file COPYING.
-# --- SDE-COPYRIGHT-NOTE-END ---
-[ $arch = x86-64 ] &&
-	hook_add preconf 5 "libtoolize -c -f --automake"