archive/Domain: remove unused library

src/archive/ArchiveDomain.cxx

-/*
- * Copyright 2003-2018 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "ArchiveDomain.hxx"
-#include "util/Domain.hxx"
-
-const Domain archive_domain("archive");

src/archive/ArchiveDomain.hxx

-/*
- * Copyright 2003-2018 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef MPD_ARCHIVE_DOMAIN_HXX
-#define MPD_ARCHIVE_DOMAIN_HXX
-
-extern const class Domain archive_domain;
-
-#endif

src/archive/meson.build

 archive_api = static_library(
   'archive_api',
-  'ArchiveDomain.cxx',
   'ArchiveList.cxx',
   include_directories: inc,
 )