Remove gnupg patches.
* gnupg2-2.0.28/0001-Enable-wildcard-expansion-with-mingw-w64.patch, gnupg2-2.0.28/ 0002-Let-wchar_to_native-convert-to-console-codepage.patch, gnupg2-2.0.28/ 0005-Fix-gpgtar-8-bit-encoding-handling-on-Win32.patch, gnupg2-2.0.28/0006-gpgsm-Add-command-option-offline.patch, gnupg2-2.0.28/0007-sm-Revert-to-use-SHA-1-for-CSR-generation.patch, gnupg2/01-version.patch.in: Removed.