hyphen: remove ExternalPackage_hyphen

It only contained hyph_en_US.dic, which is actually unused; the usage in
dictionaries (for a writingaids.zip) was removed years ago in commit
72682b9ac937472b9c48c8a9be70be902ff645e8.

Change-Id: I523c60614bddb8596ccff52d3c4d648111846856

external/hyphen/ExternalPackage_hyphen.mk

-# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
-#
-# 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/.
-#
-
-$(eval $(call gb_ExternalPackage_ExternalPackage,hyphen,hyphen))
-
-ifeq ($(WITH_MYSPELL_DICTS),YES)
-
-$(eval $(call gb_ExternalPackage_add_unpacked_files,hyphen,bin,\
-    hyph_en_US.dic \
-))
-
-endif
-
-# vim: set noet sw=4 ts=4:

external/hyphen/Module_hyphen.mk

@@ -12,7 +12,6 @@ $(eval $(call gb_Module_Module,hyphen))
 ifneq ($(or $(filter NO,$(SYSTEM_HYPH)),$(filter TRUE,$(WITH_MYSPELL_DICTS))),)
 $(eval $(call gb_Module_add_targets,hyphen,\
 	UnpackedTarball_hyphen \
-	ExternalPackage_hyphen \
 ))
 ifeq ($(COM),MSC)