Remove obsolete svn scripts.

I haven't seen anyone ever using those script. Plus they are long
removed by redmine, see:
72eebe1ce1

extra/svn/create_views.sql

@@ -1,52 +0,0 @@
--- -- copyright
---  OpenProject is a project management system.
---  Copyright (C) 2012-2014 the OpenProject Foundation (OPF)
---
---  This program is free software; you can redistribute it and/or
---  modify it under the terms of the GNU General Public License version 3.
---
---  OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
---  Copyright (C) 2006-2013 Jean-Philippe Lang
---  Copyright (C) 2010-2013 the ChiliProject Team
---
---  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.
---
---  See doc/COPYRIGHT.rdoc for more details.
--- ++
-
-/* ssh views */
-
-CREATE OR REPLACE VIEW ssh_users as
-select login as username, hashed_password as password
-from users
-where status = 1;
-
-
-/* nss views */
-
-CREATE OR REPLACE VIEW nss_groups AS
-select identifier AS name, (id + 5000) AS gid, 'x' AS password
-from projects;
-
-CREATE OR REPLACE VIEW nss_users AS
-select login AS username, CONCAT_WS(' ', firstname, lastname) as realname, (id + 5000) AS uid, 'x' AS password
-from users
-where status = 1;
-
-CREATE OR REPLACE VIEW nss_grouplist AS
-select (members.project_id + 5000) AS gid, users.login AS username 
-from users, members
-where users.id = members.user_id
-and users.status = 1;

extra/svn/svnserve.wrapper

@@ -1,39 +0,0 @@
-#!/usr/bin/perl
-#-- copyright
-# OpenProject is a project management system.
-# Copyright (C) 2012-2014 the OpenProject Foundation (OPF)
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License version 3.
-#
-# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
-# Copyright (C) 2006-2013 Jean-Philippe Lang
-# Copyright (C) 2010-2013 the ChiliProject Team
-#
-# 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.
-#
-# See doc/COPYRIGHT.rdoc for more details.
-#++
-
-
-# modify to suit your repository base
-my $repos_base = '/var/svn';
-
-my $path = '/usr/bin/';
-my %kwown_commands = map { $_ => 1 } qw/svnserve/;
-
-umask 0002;
-
-exec ('/usr/bin/svnserve', '-r', $repos_base, '-t');