Switch to nixpkgs pureref

hosts/home.nix

@@ -114,7 +114,7 @@ in
       inkscape 
       obs-studio
       qbittorrent
-      (pkgs.callPackage ../pureref.nix { })
+      pureref
       libreoffice
       gnome.ghex
       tudu

pureref.nix

@@ -1,25 +0,0 @@
-{ lib, appimageTools, requireFile }:
-
-appimageTools.wrapType1 rec {
-  pname = "pureref";
-  version = "1.11.1";
-
-  src = requireFile {
-    name = "PureRef-${version}_x64.Appimage";
-    sha256 = "05naywdgykqrsgc3xybskr418cyvbx7vqs994yv9w8zf98gxvbvm";
-    url = "https://www.pureref.com/download.php";
-  };
-
-  extraInstallCommands = ''
-    mv $out/bin/${pname}-${version} $out/bin/${pname}
-  '';
-
-  meta = with lib; {
-    description = "Reference Image Viewer";
-    homepage = "https://www.pureref.com";
-    license = licenses.unfree;
-    maintainers = with maintainers; [ elnudev ];
-    platforms = [ "x86_64-linux" ];
-    sourceProvenance = [ lib.sourceTypes.binaryNativeCode ];
-  };
-}