syncthing013: removed ancient version

Removal as announced by Peter Hoege on the ML [1]

[1] https://groups.google.com/forum/#!msg/nix-devel/CR1eldka5SU/eO-xyV4UAgAJ

pkgs/applications/networking/syncthing013/default.nix

@@ -1,39 +0,0 @@
-{ stdenv, fetchgit, go }:
-
-stdenv.mkDerivation rec {
-  version = "0.13.10";
-  name = "syncthing-${version}";
-
-  src = fetchgit {
-    url = https://github.com/syncthing/syncthing;
-    rev = "refs/tags/v${version}";
-    sha256 = "07q3j6mnrza719rnvbkdsmvlkyr2pch5sj2l204m5iy5mxaghpx7";
-  };
-
-  buildInputs = [ go ];
-
-  buildPhase = ''
-    mkdir -p src/github.com/syncthing
-    ln -s $(pwd) src/github.com/syncthing/syncthing
-    export GOPATH=$(pwd)
-
-    # Syncthing's build.go script expects this working directory
-    cd src/github.com/syncthing/syncthing
-
-    go run build.go -no-upgrade -version v${version} install all
-  '';
-
-  installPhase = ''
-    mkdir -p $out/bin
-    cp bin/* $out/bin
-  '';
-
-  meta = {
-    knownVulnerabilities = [ "CVE-2017-1000420" ];
-    homepage = https://www.syncthing.net/;
-    description = "Open Source Continuous File Synchronization";
-    license = stdenv.lib.licenses.mpl20;
-    maintainers = with stdenv.lib.maintainers; [pshendry];
-    platforms = with stdenv.lib.platforms; linux ++ freebsd ++ openbsd ++ netbsd;
-  };
-}

pkgs/top-level/all-packages.nix

@@ -17327,8 +17327,6 @@ with pkgs;
 
   syncthing = callPackage ../applications/networking/syncthing { };
 
-  syncthing013 = callPackage ../applications/networking/syncthing013 { };
-
   syncthing-gtk = python2Packages.callPackage ../applications/networking/syncthing-gtk { };
 
   syncthing-inotify = callPackage ../applications/networking/syncthing/inotify.nix { };