evopedia: remove package

The last upstream update was in 2014. While the software might still work, its usefulness depends on data archives, which are not updated anymore and have not been for several years.

Upstream suggests to use kiwix instead.

pkgs/applications/misc/evopedia/default.nix

@@ -1,30 +0,0 @@
-{ stdenv, fetchFromGitHub, bzip2, qt4, qmake4Hook, libX11 }:
-
-stdenv.mkDerivation rec {
-  name = "evopedia-${version}";
-  version = "0.4.4";
-
-  src = fetchFromGitHub {
-    owner = "evopedia";
-    repo = "evopedia_qt";
-    rev = "v${version}";
-    sha256 = "0snp5qiywj306kfaywvkl7j34fivgxcb8dids1lzmbqq5xcpqqvc";
-  };
-
-  buildInputs = [ bzip2 qt4 libX11 ];
-  nativeBuildInputs = [ qmake4Hook ];
-
-  postInstall = ''
-    # Patch the `evopedia.desktop' file.
-    substituteInPlace $out/share/applications/evopedia.desktop \
-        --replace '/usr/bin/evopedia' $out/bin/evopedia
-  '';
-
-  meta = with stdenv.lib; {
-    description = "Offline Wikipedia Viewer";
-    homepage = http://www.evopedia.info;
-    license = licenses.gpl3Plus;
-    maintainers = [ maintainers.qknight ];
-    platforms = platforms.linux;
-  };
-}

pkgs/top-level/all-packages.nix

@@ -17388,8 +17388,6 @@ in
 
   evilvte = callPackage ../applications/misc/evilvte (config.evilvte or {});
 
-  evopedia = callPackage ../applications/misc/evopedia { };
-
   exercism = callPackage ../applications/misc/exercism { };
 
   go-motion = callPackage ../development/tools/go-motion { };