Revert "gnupg: update to 2.2.30."

For some users (@markthez on GitHub and @emacsomancer on IRC), gpg
complains `gpg: problem with the agent: End of file` when decrypting.

This reverts commit a3de8f6231.

srcpkgs/gnupg/template

@@ -1,7 +1,8 @@
 # Template file for 'gnupg'
 pkgname=gnupg
-version=2.2.30
-revision=1
+reverts="2.2.30_1"
+version=2.2.29
+revision=2
 build_style=gnu-configure
 configure_args="$(vopt_enable ldap)
  --with-libgcrypt-prefix=${XBPS_CROSS_BASE}/usr
@@ -18,7 +19,7 @@ maintainer="Orphaned <orphan@voidlinux.org>"
 license="GPL-3.0-or-later"
 homepage="https://www.gnupg.org/"
 distfiles="https://gnupg.org/ftp/gcrypt/gnupg/gnupg-${version}.tar.bz2"
-checksum=cc636d6e22a673993d94814c09be469df2ce27a0c66b1cab39bbab1786cf2184
+checksum=39d07cdb4524818f9ebce49294931974af504519e6a7476c52e9d38fc0bd0cc9
 build_options="ldap"
 build_options_default="ldap"