overlays: remove unused element-desktop overlay

overlays/element-desktop.nix

@@ -1,56 +0,0 @@
-final: prev: {
-  element-desktop = prev.element-desktop.overrideAttrs (oldAttrs: rec {
-
-  installPhase =
-    let
-      libPath = prev.lib.makeLibraryPath [
-        prev.libnotify
-      ];
-  executableName = "element-desktop";
-  desktopItem = prev.makeDesktopItem {
-    name = "element-desktop";
-    exec = "${executableName} %u";
-    icon = "element";
-    desktopName = "Element";
-    genericName = "Matrix Client";
-    comment = oldAttrs.meta.description;
-    categories = [ "Network" "InstantMessaging" "Chat" ];
-    startupWMClass = "element";
-    mimeTypes = [ "x-scheme-handler/element" ];
-  };
-    in
-  ''
-    runHook preInstall
-
-    # resources
-    mkdir -p "$out/share/element"
-    ln -s '${prev.element-web}' "$out/share/element/webapp"
-    cp -r '.' "$out/share/element/electron"
-    cp -r './res/img' "$out/share/element"
-    rm -rf "$out/share/element/electron/node_modules"
-    cp -r './node_modules' "$out/share/element/electron"
-    cp $out/share/element/electron/lib/i18n/strings/en_EN.json $out/share/element/electron/lib/i18n/strings/en-us.json
-    ln -s $out/share/element/electron/lib/i18n/strings/en{-us,}.json
-
-    # icons
-    for icon in $out/share/element/electron/build/icons/*.png; do
-      mkdir -p "$out/share/icons/hicolor/$(basename $icon .png)/apps"
-      ln -s "$icon" "$out/share/icons/hicolor/$(basename $icon .png)/apps/element.png"
-    done
-
-    # desktop item
-    mkdir -p "$out/share"
-    ln -s "${desktopItem}/share/applications" "$out/share/applications"
-
-    # executable wrapper
-    # LD_PRELOAD workaround for sqlcipher not found: https://github.com/matrix-org/seshat/issues/102
-    makeWrapper '${prev.electron}/bin/electron' "$out/bin/element-desktop" \
-      --set LD_PRELOAD ${prev.sqlcipher}/lib/libsqlcipher.so \
-      --set LD_LIBRARY_PATH "${libPath}" \
-      --add-flags "$out/share/element/electron" \
-      --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WebRTCPipeWireCapturer,WaylandWindowDecorations}}"
-
-    runHook postInstall
-  '';
-  });
-}