asynk: remove due to prolonged breakage

pkgs/tools/networking/asynk/default.nix

@@ -1,47 +0,0 @@
-{ stdenv, fetchurl, python2, python2Packages, makeWrapper }:
-
-stdenv.mkDerivation rec {
-  version = "2.0.0";
-  pname = "ASynK";
-
-  src = fetchurl {
-    name = "${pname}-${version}.tar.gz";
-    url = "https://github.com/skarra/ASynK/archive/v${version}.tar.gz";
-    sha256 = "1bp30437mnls0kzm0525p3bg5nw9alpqrqhw186f6zp9i4y5znp1";
-  };
-
-  propagatedBuildInputs = with python2Packages;
-    [ python2 makeWrapper tornado requests dateutil
-      vobject gdata caldavclientlibrary-asynk ];
-
-  installPhase = ''
-    mkdir -p $out/bin $out/lib
-    cp asynk.py $out/bin/
-    cp state.init.json $out/
-    cp -R config $out/
-    cp lib/*.py $out/lib # */
-    cp -R lib/s $out/lib/
-    cp -R asynk $out/
-
-    substituteInPlace $out/bin/asynk.py \
-      --replace "ASYNK_BASE_DIR    = os.path.dirname(os.path.abspath(__file__))" "ASYNK_BASE_DIR    = \"$out\""
-
-    for file in `find $out/asynk -type f`; do
-      # Oh yeah, tab characters!
-      substituteInPlace $file \
-        --replace 'from   vobject        import vobject' 'from vobject import *' \
-        --replace 'from   vobject    import vobject' 'from vobject import *'
-    done
-
-    wrapProgram "$out/bin/asynk.py" \
-      --prefix PYTHONPATH : "$PYTHONPATH"
-  '';
-
-  meta = with stdenv.lib; {
-    homepage = "http://asynk.io/";
-    description = "Flexible contacts synchronization program";
-    license = licenses.agpl3;
-    maintainers = [ ];
-    platforms = platforms.unix;
-  };
-}

pkgs/top-level/all-packages.nix

@@ -2431,8 +2431,6 @@ in
 
   assh = callPackage ../tools/networking/assh { };
 
-  asynk = callPackage ../tools/networking/asynk { };
-
   b2sum = callPackage ../tools/security/b2sum {
     inherit (llvmPackages) openmp;
   };