* CMakeLists.txt, cmake/modules/FindGpgme.cmake,
cmake/modules/FindLibGpgError.cmake, src/CMakeLists.txt,
src/QGpgmeConfig-msvc.cmake.in.in, src/QGpgmeQt6Config-msvc.cmake.in.in:
New.
* Makefile.am, autogen.rc, autogen.sh, build-aux/compile,
build-aux/config.guess, build-aux/config.sub, build-aux/depcomp,
build-aux/install-sh, build-aux/libtool-patch.sed, build-aux/ltmain.sh,
build-aux/missing, build-aux/mkinstalldirs, configure.ac,
m4/ax_check_compile_flag.m4, m4/ax_cxx_compile_stdcxx.m4,
m4/ax_gcc_func_attribute.m4, m4/gpg-error.m4, m4/gpgme.m4,
m4/gpgmepp.m4, m4/libtool.m4, m4/ltoptions.m4, m4/ltsugar.m4,
m4/ltversion.m4, m4/lt~obsolete.m4, m4/pkg.m4, m4/qt5.m4, m4/qt6.m4,
doc/Makefile.am, src/Makefile.am: Remove.