cpp,qt: Remove C++ and Qt bindings

* README: Update.
* configure.ac: Remove checks, variables and file generations related to
the C++/Qt bindings. Remove cpp and qt* from available_languages and
default_languages.
* lang/Makefile.am (DIST_SUBDIRS): Remove cpp and qt.
* lang/cpp, lang/qt: Remove.
* m4/ax_check_compile_flag.m4, m4/ax_cxx_compile_stdcxx.m4,
m4/ax_gcc_func_attribute.m4, m4/pkg.m4, m4/qt5.m4, m4/qt6.m4: Remove.
--

The C++ and Qt bindings have been moved to separate Git repositories:
gpgmepp and gpgmeqt.

GnuPG-bug-id: 7262

1 files changed, 0 insertions, 52 deletions

diff --git a/lang/qt/src/wkdrefreshjob_p.h b/lang/qt/src/wkdrefreshjob_p.h
deleted file mode 100644
index 8e729936..00000000
--- a/lang/qt/src/wkdrefreshjob_p.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
-    wkdrefreshjob_p.h
-
-    This file is part of qgpgme, the Qt API binding for gpgme
-    Copyright (c) 2023 g10 Code GmbH
-    Software engineering by Ingo Klöcker <[email protected]>
-
-    QGpgME 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.
-
-    QGpgME 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
-
-    In addition, as a special exception, the copyright holders give
-    permission to link the code of this program with any edition of
-    the Qt library by Trolltech AS, Norway (or with modified versions
-    of Qt that use the same license as Qt), and distribute linked
-    combinations including the two.  You must obey the GNU General
-    Public License in all respects for all of the code used other than
-    Qt.  If you modify this file, you may extend this exception to
-    your version of the file, but you are not obligated to do so.  If
-    you do not wish to do so, delete this exception statement from
-    your version.
-*/
-
-#ifndef __QGPGME_WKDREFRESHJOB_P_H__
-#define __QGPGME_WKDREFRESHJOB_P_H__
-
-#include "job_p.h"
-
-#include <gpgme++/key.h>
-
-namespace QGpgME
-{
-
-struct WKDRefreshJobPrivate : public JobPrivate
-{
-    std::vector<GpgME::Key> m_keys;
-    std::vector<GpgME::UserID> m_userIds;
-};
-
-}
-
-#endif // __QGPGME_WKDREFRESHJOB_P_H__