* Makefile.am: Remove patches for gpgmepp
* configure.ac: Remvoe package as dependency.
* patches/gpgmepp: Remove obsolete file.
* src/Makefile.am: No longer define stuff for gpgmepp.
* src/config.nsi.in: Ditto.
* src/inst-gpgmepp.nsi, src/uninst-gpgmepp.nsi: Removed.
* src/inst-sections.nsi: No longer handle gpgmepp